1. Department of Health Promotion and Education, School of Public Health, University of Zambia, Lusaka, Zambia
2. Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA
3. Department of Psychology, University of Georgia, Athens, GA, USA
4. University Teaching Hospital, School of Medicine, University of Zambia, Lusaka, Zambia
5. University Teaching Hospital, Lusaka, Zambia
6. School of Medicine, University of Zambia, Lusaka, Zambia
7. Department of Communication Studies, School of Communication, University of Miami, Miami, FL, USA
8. The School of Medicine and Health Sciences, University of Lusaka, Lusaka, Zambia