Ghent University, Ghent, Belgium
IRSS/DRO, Bobo-Dioulasso, Houet, Burkina Faso
AZ Oudenaarde, Oudenaarde, Oost-Vlaanderen, Belgium
ZNA St. Elisabeth, Antwerpen, Belgium
Imelda Ziekenhuis, Bonheiden, Belgium
Vakgroep REVAKI (Ghent University - Ghent University hospital), Ghent, Belgium
Ghent University-Public Health Department, Ghent, East-Flanders, Belgium