Added attribution to WHO to mapAttribution.

nginx/covid_website/assets/js/trials-map.js

@@ -22,7 +22,7 @@ class TrialsMap {
     this.projectCentroidsUrl = 'assets/data/covid-19-trials.geojson'
     this.logoSrc = 'assets/img/logos/heigit_logo.png'
     this.tileServiceUrl = 'https://cartodb-basemaps-{s}.global.ssl.fastly.net/light_all/{z}/{x}/{y}.png'
-    this.mapAttribution = 'Map tiles by <a href="https://carto.com/">Carto</a>, under <a href="https://creativecommons.org/licenses/by/3.0/">CC BY 3.0.</a> Data by <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>, under ODbL.'
+    this.mapAttribution = 'Map tiles by <a href="https://carto.com/">Carto</a>, under <a href="https://creativecommons.org/licenses/by/3.0/">CC BY 3.0.</a> Data by <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>, under ODbL, trial data from <a href="https://www.who.int/ictrp/en/">WHO ICTRP</a>.'
 
     this.studyCategoryColors = []
     this.studyTypeColors = []