1. Department of Paediatrics, University of Padua, Via Giustiniani 3, 35128 Padua, Italy
2. Home Care Department, Saint Raphael of Saint Francis Hospital (Nsambya Hospital), Kampala, Uganda
3. Infectious Diseases Research Collaboration, Mulago Hospital Complex, Kampala, Uganda
4. Saint Raphael of Saint Francis Hospital (Nsambya Hospital), Kampala, Uganda
5. Santa Chiara Hospital, Via Largo Gold Medals 9, 38122 Trento, Italy
6. Department of Public Health, Institute of Tropical Medicine, Nationalestraat 155, 2000 Antwerp, Belgium
7. Department of Paediatrics and Child Health, College of Health Sciences, Makerere University, Kampala, Uganda
8. MRC/UVRI Uganda Research Unit on AIDS, Plot 51-59, Nakiwogo Road, Entebbe, Uganda