1. Department of Medical Oncology, Gustave Roussy, Villejulf, France
2. Department of Hematology-Oncology, Faculte de Medecine, Universite Saint-Joseph, Beirut, Lebanon
3. Department of Pathology, Faculte de Medecine, Universite Saint-Joseph, Beirut, Lebanon
4. Department of Gastroenterology, Faculte de Medecine et des Sciences Medicales, Universite Saint-Esprit de Kaslik, Jounieh, Lebanon
5. Department of Genetics, Faculte de Medecine Site Cochin, Universite Paris Descarte, Paris, France