1. Dignitas International, Zomba, Malawi
2. Zomba District Health Office, Malawi Ministry of Health, Zomba, Malawi
3. Partners in Hope, Lilongwe, Malawi
4. David Geffen School of Medicine, University of California, Los Angeles, USA
5. Malawi Prison Service, Lilongwe, Malawi
6. Department of Medicine, University of Malawi College of Medicine, Blantyre, Malawi