1. Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
2. Sumy State University, Sumy, Ukraine
3. Faculty of Medicine, University of St Andrews, St Andrews, UK
4. Dow University of Health Sciences, Dow Medical College, Karachi, Pakistan
5. Alberto Hurtado Medical School, Cayetano Heredia Peruvian University, Lima, Peru
6. Department of Surgery II, University Hospital Witten-Herdecke, University of Witten-Herdecke, Wuppertal, Germany