1. Heidelberg Institute of Global Health, Heidelberg University Hospital, Heidelberg, Germany
2. La Paz University Hospital, Madrid, Spain
3. Nouna Health Research Centre, Nouna, Burkina Faso
4. Africa Health Research Institute, Nelson R. Mandela Medical School, Umbilo, Durban, South Africa
5. Department of Global Health and Population, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
6. Chair of Development Economics (Prof. Fuchs), Georg-August-Universität Göttingen, Göttingen, Germany
7. Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA