1. Department of Psychiatry, Bayero University Kano/Aminu Kano Teaching Hospital, Kano, Nigeria
2. Infectious and Tropical Diseases Unit, Bayero University Kano/Aminu Kano Teaching Hospital, Kano, Nigeria
3. Infectious and Tropical Diseases Unit, Public Health and Diagnostic Institute, College of Medical Sciences, Northwest University Kano, Kano, Nigeria
4. Federal Teaching Hospital, Gombe State University, Gombe, Nigeria
5. Snakebite Ward, Kaltungo General Hospital, Kaltungo, Gombe, Nigeria