1. Department of Health Policy and Administration, School of Public Health, Yale University, 2 Church Street South, New Haven, CT 06519, United States of America (USA).
2. Department of Psychiatry, University of Ghana Medical School, Accra, Ghana.
3. Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, USA.
4. Department of Psychiatry, Ouagadougou University School of Medicine, Ouagadougou, Burkina Faso.