1. Institute of Anatomy, University of Bern Bern Switzerland
2. Center of Molecular Medicine Medical University Sofia Sofia Bulgaria
3. Department of Veterinary Anatomy and Physiology University of Nairobi Nairobi Kenya
4. Liver Biology Laboratory, Medical Research Center Cantonal Hospital St. Gallen St. Gallen Switzerland
5. Center of Molecular Medicine and Stem Cell Research, Faculty of Medical Sciences University of Kragujevac Kragujevac Serbia