1. Department of Medicine, Alex Ekwueme Federal University Teaching Hospital/Ebonyi State University Abakaliki, Ebonyi State, Nigeria
2. Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
3. U.S. Department of Veterans Affairs New England Mental Illness Research and Education Clinical Center, West Haven, CT, USA
4. Division of Cardiology, University of Port Harcourt Teaching Hospital, Port Harcourt, Rivers State, Nigeria
5. Department of Otorhinolaryngology, Alex Ekwueme Federal University Teaching Hospital, Abakaliki, Ebonyi State, Nigeria
6. National Orthopedic Hospital Enugu, Enugu State, Nigeria
7. Department of Radiology, University of Calabar Teaching Hospital, Calabar, Cross River, Nigeria
8. Department of Physiology, University of Nigeria, Enugu Campus, Enugu, Nigeria
9. Colchester GP Vocational Training Scheme, NHS, England, UK
10. College of Medicine, Imo State University, Owerri, Imo State, Nigeria
11. Family Practice Department, Franciscan Physician Network, Crown Point, Indiana, United States
12. Department of Internal Medicine, University of Nigeria Teaching Hospital, Enugu, Nigeria
13. Northallerton GP Vocational Training Scheme, NHS, England, UK
14. Saskatchewan Health Authority, Regina, Saskatchewan, Canada