1. Kilimanjaro Christian Medical Centre, Moshi, Tanzania;
2. Division of Infectious Diseases, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, Milano, Italy;
3. Division of Infectious Diseases, Duke University Medical Center, Durham, North Carolina;
4. Duke Global Health Institute, Duke University, Durham, North Carolina;
5. Kilimanjaro Christian Medical University College, Moshi, Tanzania
6. Centre for International Health, University of Otago, Dunedin, New Zealand;