1. Faculty of Medicine, University of Ghana Medical School, Accra, Ghana
2. Faculty of Medicine, Sumy State University, Sumy, Ukraine
3. Faculty of Medicine and Health Sciences, University of Putra Malaysia, Serdang, Malaysia
4. Faculty of Medicine, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
5. Faculty of Medicine, King Edward Medical University, Pakistan
6. Faculty of Medicine, University School of Osteopathic Medicine, Stratford, New Jersey, USA
7. Istanbul Medeniyet University, Department of General Surgery, Istanbul, Turkey