Merge branch 'shared-data-model' into sticky-footer

* shared-data-model:
  #455

app/components/citation-search/PubMedSearch.jsx

@@ -204,16 +204,18 @@ class PubMedSearch extends React.Component {
   async onSelected(result, journal) {
     const inPMC = result.articleids.find(id => id.idtype === 'pmc')
     if (inPMC) {
+      this.setState({ loading: true })
       const obj = {
         inPMC: result.title,
         pmcid: inPMC.value,
+        loading: false,
       }
       const epmcURL = `https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=SRC:MED%20EXT_ID:${
         result.uid
       }&resulttype=lite&format=json`
       const response = await fetch(epmcURL)
       const json = await response.json()
-      const epmc = json.resultList.result[0].inEPMC
+      const epmc = json.resultList.result[0] && json.resultList.result[0].inEPMC
       if (epmc === 'Y') {
         obj.inEPMC = true
       }