diff --git a/OHIFViewer-react/package.json b/OHIFViewer-react/package.json
index b31124371..157b3ed67 100644
--- a/OHIFViewer-react/package.json
+++ b/OHIFViewer-react/package.json
@@ -7,7 +7,7 @@
   "dependencies": {
     "cornerstone-core": "2.2.8",
     "cornerstone-math": "0.1.7",
-    "cornerstone-tools": "3.0.0-b.1471",
+    "cornerstone-tools": "3.0.0-b.1512",
     "cornerstone-wado-image-loader": "2.2.3",
     "dicom-parser": "1.8.3",
     "hammerjs": "^2.0.8",
@@ -24,7 +24,7 @@
     "react-router": "^4.3.1",
     "react-router-dom": "^4.3.1",
     "react-scripts": "^2.1.1",
-    "react-viewerbase": "^0.1.9",
+    "react-viewerbase": "^0.1.10",
     "redux": "^4.0.1",
     "redux-oidc": "^3.1.0"
   },
diff --git a/OHIFViewer-react/src/App.js b/OHIFViewer-react/src/App.js
index 782f923cd..f6b73ff28 100644
--- a/OHIFViewer-react/src/App.js
+++ b/OHIFViewer-react/src/App.js
@@ -1,4 +1,5 @@
 import React, { Component } from 'react';
+import PropTypes from 'prop-types';
 import { withRouter } from 'react-router';
 import { Route, Switch } from 'react-router-dom';
 import { connect } from 'react-redux';
@@ -21,10 +22,18 @@ function setContext(context) {
             context
         }
     });*/
-    console.log(context);
+}
+
+function LoadingUser() {
+    return (<div>Loading user...</div>);
 }
 
 class App extends Component {
+    static propTypes = {
+        history: PropTypes.object.isRequired,
+        user: PropTypes.object
+    }
+
     componentDidMount() {
         this.unlisten = this.props.history.listen((location, action) => {
             setContext(window.location.pathname);
@@ -40,7 +49,13 @@ class App extends Component {
 
         if (!user || user.expired) {
             // TODO: redirect to OAuth page if necessary
-            //return ('Loading user...');
+            return <Switch>
+                <Route path="/callback" component={CallbackPage} />
+                <Route exact path='/login' component={() => {
+                    userManager.signinRedirect();
+                }}/>
+                <Route component={LoadingUser}/>
+            </Switch>;
         }
 
         return (
diff --git a/OHIFViewer-react/src/CallbackPage.js b/OHIFViewer-react/src/CallbackPage.js
index eb9e12f8c..7fa594650 100644
--- a/OHIFViewer-react/src/CallbackPage.js
+++ b/OHIFViewer-react/src/CallbackPage.js
@@ -1,9 +1,14 @@
-import React from "react";
+import React, { Component } from "react";
 import { CallbackComponent } from "redux-oidc";
 import { withRouter } from "react-router-dom";
+import PropTypes from 'prop-types';
 import userManager from "./userManager";
 
-class CallbackPage extends React.Component {
+class CallbackPage extends Component {
+    static propTypes = {
+        history: PropTypes.object
+    }
+
     render() {
         // just redirect to '/' in both cases
         return (
@@ -12,7 +17,7 @@ class CallbackPage extends React.Component {
                 successCallback={() => this.props.history.push("/")}
                 errorCallback={error => {
                     this.props.history.push("/");
-                    console.error(error);
+                    throw new Error(error);
                 }}
             >
                 <div>Redirecting...</div>
diff --git a/OHIFViewer-react/src/FlexboxLayout/ConnectedCornerstoneViewport.js b/OHIFViewer-react/src/FlexboxLayout/ConnectedCornerstoneViewport.js
index 0b2a9c89c..372b17758 100644
--- a/OHIFViewer-react/src/FlexboxLayout/ConnectedCornerstoneViewport.js
+++ b/OHIFViewer-react/src/FlexboxLayout/ConnectedCornerstoneViewport.js
@@ -17,7 +17,6 @@ const mapStateToProps = state => {
 const mapDispatchToProps = dispatch => {
     return {
         setViewportActive: viewportIndex => {
-            console.log(`setViewportActive: ${viewportIndex}`);
             dispatch(setViewportActive(viewportIndex))
         }
     };
diff --git a/OHIFViewer-react/src/FlexboxLayout/ConnectedLayoutButton.js b/OHIFViewer-react/src/FlexboxLayout/ConnectedLayoutButton.js
index f3801e4b0..5e12c9f25 100644
--- a/OHIFViewer-react/src/FlexboxLayout/ConnectedLayoutButton.js
+++ b/OHIFViewer-react/src/FlexboxLayout/ConnectedLayoutButton.js
@@ -14,8 +14,6 @@ const mapDispatchToProps = dispatch => {
     return {
         // TODO: Change if layout switched becomes more complex
         onChange: selectedCell => {
-            console.log(`setLayout: ${JSON.stringify(selectedCell)}`);
-
             let viewports = [];
             const rows = selectedCell.row + 1;
             const columns = selectedCell.col + 1;
diff --git a/OHIFViewer-react/src/FlexboxLayout/ConnectedToolbarSection.js b/OHIFViewer-react/src/FlexboxLayout/ConnectedToolbarSection.js
index 59dfa2349..d2d5163bc 100644
--- a/OHIFViewer-react/src/FlexboxLayout/ConnectedToolbarSection.js
+++ b/OHIFViewer-react/src/FlexboxLayout/ConnectedToolbarSection.js
@@ -16,7 +16,6 @@ const mapStateToProps = state => {
 const mapDispatchToProps = dispatch => {
     return {
         setToolActive: tool => {
-            console.log(`setViewportActive: ${tool}`);
             dispatch(setToolActive(tool.command))
         }
     };
diff --git a/OHIFViewer-react/src/FlexboxLayout/ToolbarRow.js b/OHIFViewer-react/src/FlexboxLayout/ToolbarRow.js
index 765800085..3d4bb543a 100644
--- a/OHIFViewer-react/src/FlexboxLayout/ToolbarRow.js
+++ b/OHIFViewer-react/src/FlexboxLayout/ToolbarRow.js
@@ -21,8 +21,6 @@ class ToolbarRow extends Component {
 
     onLeftSidebarValueChanged = (value) => {
         this.props.setLeftSidebarOpen(!!value);
-
-        console.log('value changed: ', value);
     }
 
     render() {
diff --git a/OHIFViewer-react/src/FlexboxLayout/ViewerMain.js b/OHIFViewer-react/src/FlexboxLayout/ViewerMain.js
index 1b053713b..080c287eb 100644
--- a/OHIFViewer-react/src/FlexboxLayout/ViewerMain.js
+++ b/OHIFViewer-react/src/FlexboxLayout/ViewerMain.js
@@ -96,7 +96,7 @@ class ViewerMain extends Component {
             cornerstone={cornerstone}
             cornerstoneTools={cornerstoneTools}
         />);
-    };
+    }
 
     setViewportData = ({viewportIndex, item}) => {
         // TODO: Replace this with mapDispatchToProps call
diff --git a/OHIFViewer-react/src/Header/Header.js b/OHIFViewer-react/src/Header/Header.js
index 5f0d7bce2..9fe62ade9 100644
--- a/OHIFViewer-react/src/Header/Header.js
+++ b/OHIFViewer-react/src/Header/Header.js
@@ -1,11 +1,12 @@
-import React from 'react'
-import { Link, withRouter } from 'react-router-dom'
-import { Dropdown } from "../components"
-import Icons from "../images/icons.svg"
-import './Header.css'
-import list from './HeaderMenuList.json'
+import React from 'react';
+import PropTypes from 'prop-types';
+import { Link, withRouter } from 'react-router-dom';
+import { Dropdown } from "../components";
+import Icons from "../images/icons.svg";
+import './Header.css';
+import list from './HeaderMenuList.json';
 
-function Header({ home, lastStudy, location }) {
+function Header({ home, location }) {
   const { state } = location
 
   return (
@@ -49,4 +50,13 @@ function Header({ home, lastStudy, location }) {
   )
 }
 
+Header.propTypes = {
+    home: PropTypes.bool.isRequired,
+    location: PropTypes.object.isRequired
+};
+
+Header.defaultProps = {
+    home: true
+};
+
 export default withRouter(Header)
diff --git a/OHIFViewer-react/src/StandaloneRouting.js b/OHIFViewer-react/src/StandaloneRouting.js
index 7c299da3e..ba0d4956b 100644
--- a/OHIFViewer-react/src/StandaloneRouting.js
+++ b/OHIFViewer-react/src/StandaloneRouting.js
@@ -1,5 +1,5 @@
 import React, { Component } from "react";
-//import PropTypes from "prop-types";
+import PropTypes from "prop-types";
 import qs from 'query-string'
 import Viewer from "./Viewer/Viewer";
 import OHIF from 'ohif-core';
@@ -66,15 +66,15 @@ function parseQueryAndFetchStudies(query) {
 }
 
 class StandaloneRouting extends Component {
-    constructor(props) {
-        super(props);
-
-        this.state = {
-            studies: null,
-            error: null
-        };
+    state = {
+        studies: null,
+        error: null
     }
 
+    static propTypes = {
+        location: PropTypes.object
+    };
+
     componentDidMount() {
         const query = qs.parse(this.props.location.search);
         parseQueryAndFetchStudies(query).then(studies => {
diff --git a/OHIFViewer-react/src/StudyListWithData.js b/OHIFViewer-react/src/StudyListWithData.js
index b83c66b77..2ff2497ee 100644
--- a/OHIFViewer-react/src/StudyListWithData.js
+++ b/OHIFViewer-react/src/StudyListWithData.js
@@ -6,18 +6,21 @@ import { StudyList } from "react-viewerbase";
 import Header from "./Header";
 
 class StudyListWithData extends Component {
-    constructor(props) {
-        super(props);
+    state = {
+        searchData: {},
+        studies: null,
+        error: null
+    };
 
-        this.state = {
-            searchData: {},
-            studies: null,
-            error: null
-        };
+    static propTypes = {
+        patientId: PropTypes.string,
+        server: PropTypes.object,
+        user: PropTypes.object,
+        history: PropTypes.object
+    };
 
-        this.rowsPerPage = 20;
-        this.defaultSort = { field: 'patientName', order: 'desc' };
-    }
+    static rowsPerPage = 25;
+    static defaultSort = { field: 'patientName', order: 'desc' };
 
     componentDidMount() {
         // TODO: Avoid using timepoints here
@@ -28,7 +31,7 @@ class StudyListWithData extends Component {
 
     searchForStudies = (searchData = {
         currentPage: 0,
-        rowsPerPage: this.rowsPerPage
+        rowsPerPage: StudyListWithData.rowsPerPage
     }) => {
         const { server } = this.props;
         const filter = {
@@ -66,19 +69,15 @@ class StudyListWithData extends Component {
                 error: true,
             });
 
-            console.error(error);
+            throw new Error(error);
         });
     }
 
     onImport = () => {
-        console.log('onImport');
+        //console.log('onImport');
     }
 
     onSelectItem = (studyInstanceUID) => {
-        console.log('onSelectItem');
-
-        console.log('studyInstanceUID');
-
         this.props.history.push(`/viewer/${studyInstanceUID}`);
     }
 
@@ -97,24 +96,18 @@ class StudyListWithData extends Component {
         const studyCount = this.state.studies ? this.state.studies.length : 0;
 
         return (<>
-            <Header home user={this.props.user}/>
+            <Header home={true} user={this.props.user}/>
             <StudyList studies={this.state.studies}
                 studyCount={studyCount}
                 studyListFunctionsEnabled={false}
                 onImport={this.onImport}
                 onSelectItem={this.onSelectItem}
                 pageSize={this.rowsPerPage}
-                defaultSort={this.defaultSort}
+                defaultSort={StudyListWithData.defaultSort}
                 onSearch={this.onSearch} />
         </>
         );
     }
 }
 
-StudyListWithData.propTypes = {
-    patientId: PropTypes.string,
-    server: PropTypes.object,
-    user: PropTypes.object
-};
-
 export default withRouter(StudyListWithData);
diff --git a/OHIFViewer-react/src/Viewer/Viewer.js b/OHIFViewer-react/src/Viewer/Viewer.js
index eb4963d51..62b5d46b2 100644
--- a/OHIFViewer-react/src/Viewer/Viewer.js
+++ b/OHIFViewer-react/src/Viewer/Viewer.js
@@ -84,7 +84,7 @@ class Viewer extends Component {
 
     render() {
         return (<>
-            <Header />
+            <Header home={false}/>
             <div className='viewerDialogs'>
                 {/*<CineDialog/>*/}
             </div>
diff --git a/OHIFViewer-react/src/ViewerFromStudyData.js b/OHIFViewer-react/src/ViewerFromStudyData.js
index a52137aa5..4d4d30651 100644
--- a/OHIFViewer-react/src/ViewerFromStudyData.js
+++ b/OHIFViewer-react/src/ViewerFromStudyData.js
@@ -5,13 +5,15 @@ import Viewer from "./Viewer/Viewer.js";
 import createDisplaySets from './lib/createDisplaySets.js';
 
 class ViewerFromStudyData extends Component {
-    constructor(props) {
-        super(props);
+    static propTypes = {
+        studyInstanceUids: PropTypes.array.isRequired,
+        seriesInstanceUids: PropTypes.array,
+        server: PropTypes.object
+    };
 
-        this.state = {
-            studies: null,
-            error: null
-        };
+    state = {
+        studies: null,
+        error: null
     }
 
     componentDidMount() {
@@ -32,7 +34,7 @@ class ViewerFromStudyData extends Component {
                 error: true,
             });
 
-            console.error(error);
+            throw new Error(error);
         });
 
     }
@@ -50,10 +52,4 @@ class ViewerFromStudyData extends Component {
     }
 }
 
-ViewerFromStudyData.propTypes = {
-    studyInstanceUids: PropTypes.array.isRequired,
-    seriesInstanceUids: PropTypes.array,
-    server: PropTypes.object
-};
-
 export default ViewerFromStudyData;
diff --git a/OHIFViewer-react/src/components/Dropdown/Dropdown.js b/OHIFViewer-react/src/components/Dropdown/Dropdown.js
index d046b0de5..285d91959 100644
--- a/OHIFViewer-react/src/components/Dropdown/Dropdown.js
+++ b/OHIFViewer-react/src/components/Dropdown/Dropdown.js
@@ -7,6 +7,18 @@ class Dropdown extends Component {
     open: false
   }
 
+  static propTypes = {
+      titleElement: PropTypes.node,
+      title: PropTypes.string,
+      align: PropTypes.oneOf(['left', 'center', 'right']),
+      list: PropTypes.arrayOf(PropTypes.shape({
+          title: PropTypes.string.isRequired,
+          icon: PropTypes.string,
+          onClick: PropTypes.func,
+          link: PropTypes.string,
+      }))
+  };
+
   renderList = () => {
     const { list, align } = this.props
 
@@ -52,7 +64,9 @@ class Dropdown extends Component {
   renderTitleElement = () => {
     const { titleElement, title } = this.props
 
-    if (titleElement) return titleElement
+    if (titleElement) {
+      return titleElement;
+    }
 
     return (
       <>
@@ -92,15 +106,4 @@ class Dropdown extends Component {
   }
 }
 
-Dropdown.propTypes = {
-  titleElement: PropTypes.node,
-  align: PropTypes.oneOf(['left', 'center', 'right']),
-  list: PropTypes.arrayOf(PropTypes.shape({
-    title: PropTypes.string.isRequired,
-    icon: PropTypes.string,
-    onClick: PropTypes.func,
-    link: PropTypes.string,
-  }))
-};
-
 export default Dropdown
diff --git a/OHIFViewer-react/src/lib/getWADORSImageId.js b/OHIFViewer-react/src/lib/getWADORSImageId.js
index c1df420d9..3516b062b 100644
--- a/OHIFViewer-react/src/lib/getWADORSImageId.js
+++ b/OHIFViewer-react/src/lib/getWADORSImageId.js
@@ -28,4 +28,4 @@ export function getWADORSImageId(instance, frame) {
     }
 
     return `wadors:${uri}`;
-};
+}
diff --git a/OHIFViewer-react/src/log.js b/OHIFViewer-react/src/log.js
index 5f3ef93a3..b228f4a75 100644
--- a/OHIFViewer-react/src/log.js
+++ b/OHIFViewer-react/src/log.js
@@ -1,3 +1,6 @@
 import loglevel from 'loglevel';
-log = loglevel.getLogger('OHIFViewer');
+
+const log = loglevel.getLogger('OHIFViewer');
 log.setLevel('info');
+
+export default log;
diff --git a/OHIFViewer-react/src/redux/ui.js b/OHIFViewer-react/src/redux/ui.js
index 776864e67..01b558288 100644
--- a/OHIFViewer-react/src/redux/ui.js
+++ b/OHIFViewer-react/src/redux/ui.js
@@ -4,7 +4,6 @@ const defaultState = {
 }
 
 const ui = (state = defaultState, action) => {
-    console.log(action);
     switch (action.type) {
         case 'SET_LEFT_SIDEBAR_OPEN':
             return Object.assign({}, state, { leftSidebarOpen: action.state });
diff --git a/OHIFViewer-react/yarn.lock b/OHIFViewer-react/yarn.lock
index 3ea815146..121e4b2f5 100644
--- a/OHIFViewer-react/yarn.lock
+++ b/OHIFViewer-react/yarn.lock
@@ -2527,6 +2527,14 @@ cornerstone-tools@3.0.0-b.1471:
     "@babel/runtime" "7.1.2"
     cornerstone-math "^0.1.7"
 
+cornerstone-tools@3.0.0-b.1512:
+  version "3.0.0-b.1512"
+  resolved "https://registry.yarnpkg.com/cornerstone-tools/-/cornerstone-tools-3.0.0-b.1512.tgz#64e60709b7b638c08d201313a5748aa6f5145337"
+  integrity sha512-+lpoPJnTTkGq61XZzrNfAVhYJprBYqFZc++D0TgVUUOfAlXn5I016+cabfRQ/K65ecTfd8RitFK/LrIBUE7D2Q==
+  dependencies:
+    "@babel/runtime" "7.1.2"
+    cornerstone-math "^0.1.7"
+
 cornerstone-wado-image-loader@2.2.3:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/cornerstone-wado-image-loader/-/cornerstone-wado-image-loader-2.2.3.tgz#2d4c06b5c87cd9198b52906c48e2d9dd145de986"
@@ -8309,10 +8317,10 @@ react-bootstrap-modal@^4.2.0:
     react-overlays "^0.8.0"
     react-transition-group "^2.0.0"
 
-react-cornerstone-viewport@^0.1.3:
-  version "0.1.3"
-  resolved "https://registry.yarnpkg.com/react-cornerstone-viewport/-/react-cornerstone-viewport-0.1.3.tgz#d0c3b6e0d1adde9b3282465ae3397428f76aaf52"
-  integrity sha512-ZbnT8M6HZimPGtdIlc1qPg04RmzlOijsWXTVdBBTAWPg5PUqbdBShQRjv+KvciL4kb6I+77WPWpsxJ1+QEoV+w==
+react-cornerstone-viewport@^0.1.4:
+  version "0.1.4"
+  resolved "https://registry.yarnpkg.com/react-cornerstone-viewport/-/react-cornerstone-viewport-0.1.4.tgz#6e1e1e31cbfca28617d4aebddd591f3a13206382"
+  integrity sha512-bowfkjKR/hdg+2nEQy2BJejjKIsudiedJrMKehygK2f0SI17w2FC8r8QJPysdykfwz1WuBouOlA0JJtfHzk+CQ==
   dependencies:
     cornerstone-core "2.2.8"
     cornerstone-math "0.1.7"