1. Department of Internal Medicine, Dow University of Health Sciences
2. Department of Internal Medicine, Jinnah Sindh Medical University, Karachi
3. Department of Internal Medicine, Ayub Medical College, Abbottabad, Pakistan
4. College of Medical Sciences, Ahmadu Bello University Teaching Hospital, Shika, Kaduna State, Nigeria
5. Department of Research and Education, Oli Health Magazine Organization, Kigali, Rwanda
6. Department of Gastroenterology, Norfolk and Norwich University Hospital, United Kingdom
7. Department of Research, Medical Research Circle, Bukavu, DR Congo