University of Antwerp, Wilrijk, Belgium
Mokali health area of Biyela health zone, in Kinshasa province., Kinshasa, Kinshasa province, Congo
Centre for the Evaluation of Vaccination, Antwerp, Belgium
National Institute of Hygien and Epidemiology, Hanoi, Vietnam
University of Antwerp, Wilrijk, Belgium
University hospital, Edegem, Antwerp, Belgium
Centre de Santé Lisungi, Kinshasa, Mont-Ngafula, Congo
Kazo Health centre IV, Kiruhura, Uganda
Rehabilitation Hospital Hof Ter Schelde, Antwerp, Belgium
Veronique Verhoeven, Wilrijk, Belgium
University of Antwerp, Antwerp, Belgium