1. Department of Psychiatry, University of Calabar, Calabar, Nigeria
2. Department of Clinical Services, Federal Neuropsychiatric Hospital, Calabar, Nigeria
3. Department of Psychiatry, Ebonyi State University, Abakaliki, Nigeria
4. Department of Psychiatry, University of Port Harcourt, Port Harcourt, Nigeria
5. Department of Psychiatry, Imo State University, Orlu, Nigeria
6. Department of Psychiatry, Nnamdi Azikiwe University, Awka, Nigeria