1 Department of Science, Information and Dissemination, World Health Organization Regional Office for the Eastern Mediterranean, Cairo, Egypt.
2 Department of Research for Health, World Health Organization, Geneve, Switzerland.
3 Department of Evidence and Intelligence for Action in Health and Incident Management System for COVID-19, WHO Regional Office for the Americas/Pan American Health Organization, Washington, District of Columbia, USA.
4 Division of Country Health Policies and Systems, World Health Organization Regional Office for Europe, Copenhagen, Denmark.
5 Emergency Preparedness and Response Programme, World Health Organization Regional Office for Africa, Brazzaville, Congo.
6 Department of Research for Health, World Health Organization, Geneva, Switzerland.