1. Stellenbosch University, Cape Town, South Africa
2. University of Ibadan, Ibadan, Nigeria
3. Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
4. University of Nairobi, Nairobi, Kenya
5. University of Liberia, Monrovia, Liberia
6. National Institute of Mental Health, National Institutes of Health, Department of Health and Human Services, Bethesda, MD