1 Department of Public Health, Institute of Tropical Medicine, Antwerp, Nationalestraat 155, 2000, Antwerp, Belgium.
2 Department of Public Health, Institute of Tropical Medicine, Antwerp, Nationalestraat 155, 2000, Antwerp, Belgium. caffun@itg.be.
3 Institute of Public Health, Bangalore, India.
4 INCAP Research Center for the Prevention of Chronic Diseases (CIIPEC), Institute of Nutrition of Central America and Panama (INCAP), Guatemala City, Guatemala.
5 Independent Consultant, New Delhi, India.
6 Centre for Global Child Health, Hospital for Sick Children, Toronto, Canada and Dalla Lana School of Public Health, University of Toronto, Toronto, Canada.
7 Centre for Population, Family & Health, University of Antwerp (Belgium) and Centre for Health Systems Research & Development, University of the Free State (South Africa), Sint - Jacobstraat 2 -4, 2000, Antwerp, Belgium.
8 Centre for Population, Family & Health, University of Antwerp (Belgium), Sint - Jacobstraat 2 -4, 2000, Antwerp, Belgium.
9 School of Public Health, University of the Western Cape, Cape Town, South Africa.
10 School of Public Health, University of Lubumbashi and Health Knowledge Centre of the Democratic Republic of Congo, Lubumbashi, Democratic Republic of Congo.
11 Department of Biomedical Sciences, Institute of Tropical Medicine, Antwerp, Nationalestraat 155, 2000, Antwerp, Belgium.