1. Department of Human Biology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
2. Department of Nutrition and Dietetics, Federal University of Agriculture, Abeokuta, Nigeria
3. Department of Surgery, Urology Division, University of Maiduguri, Maiduguri, Nigeria
4. Department of Chemical Pathology, Ekiti State University College of Medicine, Ado-Ekiti, Nigeria
5. Department of Radiotherapy and Oncology, Lagos University Teaching Hospital, Idi-araba, Lagos, Nigeria
6. Department of Surgery, Olabisi Onabanjo University Teaching Hospital, Sagamu, Nigeria
7. Department of Surgery, Federal Medical Centre Abeokuta, Abeokuta, Nigeria
8. Department of Surgery, College of Medicine, University of Nigeria, Enugu, Nigeria
9. Department of Medical Rehabilitation, College of Medicine, University of Nigeria, Enugu, Nigeria
10. Department of Community Health and Preventive Medicine, Morehouse School of Medicine, Atlanta, GA, USA
11. School of Health and Human Performance, Georgia College and State University, Milledgeville, GA, USA