1. Department of Research, Medical Research Circle (MedReC), Bukavu, Democratic Republic of Congo
2. Faculty of Preventive Medicine, IM Sechenov University, Moscow, Russia
3. David Tvildiani Medical University, Tbilisi, Georgia
4. Chukwuemeka Odumegwu Ojukwu University, College of Medical Sciences, Anambra State
5. Department of Internal Medicine, Bukovinian State Medical University, Chernivtsi, Ukraine
6. University of Baghdad/Al-Kindy College of Medicine, Baghdad, Iraq
7. Dow University of Health Sciences, Baba-e-Urdu Road, Karachi, Pakistan
8. University College Hospital, Ibadan, Oyo State
9. Atal Bihari Vajpayee Institute of Medical Sciences and Dr. Ram Manohar Lohia Hospital, New Delhi, India
10. Rivers State University Teaching Hospital, Rivers State, Nigeria
11. Kamuzu University of Health Sciences, Blantyre, Malawi
12. Shiraz University of Medical Sciences, Iran