1. Department of Hepatopancreatobiliary and Liver Transplant Surgery National Liver Institute Menoufia University Shebin El‐koom Egypt
2. Department of Liver and Small Bowel Transplantation & HPB Surgery King Faisal Specialist Hospital and Research Center Riyadh Saudi Arabia
3. Department of Oncosurgery National Cancer Institute Cairo University Cairo Egypt
4. Department of General Surgery Assiut University Assiut Egypt
5. Department of General Surgery Fayoum University Fayoum Egypt
6. Department of Pediatric Hepatology, Liver and Small Bowel Transplantation King Faisal Specialist Hospital and Research Center Riyadh Saudi Arabia
7. Department of Clinical Medicine and Surgery Federico II University Naples Italy