1 Department of Data and Analytics, Division of Data, Analytics and Delivery for Impact, World Health Organization, 20, Avenue Appia, CH-1211, Geneva 27, Switzerland. hosseinpoora@who.int.
2 Department of Data and Analytics, Division of Data, Analytics and Delivery for Impact, World Health Organization, 20, Avenue Appia, CH-1211, Geneva 27, Switzerland.
3 Center for International Health, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.