1. Baylor College of Medicine International Paediatric AIDS Initiative, Texas Children's Hospital, Houston, TX, USA
2. Baylor College of Medicine‐ Abbott Fund Children's Clinical Centre of Excellence, Lilongwe, Malawi
3. Department of Medicine, Baylor College of Medicine, Houston, TX, USA
4. Design and Analysis Core, Baylor‐UT Houston Center for AIDS Research, Houston, TX, USA
5. ICAP, Mailman School of Public Health and College of Physicians & Surgeons, Columbia University, New York, NY, USA