1. Vanderbilt University School of Medicine, Nashville, TN, 37232, USA;
2. University of North Carolina Project, Lilongwe, Malawi;
3. Bwaila Psychiatric Unit, Kamuzu Central Hospital, Lilongwe, Malawi;
4. Department of Psychiatry, Boston Medical Center, Boston University School of Medicine, 72 East Concord St, Boston, MA, 02118, USA;
5. Ministry of Health, Lilongwe, Malawi;
6. Department of Mental Health, College of Medicine, University of Malawi, Blantyre, Malawi