[1] St Joseph Univ, Dept Gen Surg, Hotel Dieu France Hosp, Beirut 11072180, Lebanon
[2] Hop Paul Brousse, AP HP, Dept Hepatobiliary & Liver Transplantat Surg, F-75610 Villejuif, France
[3] Gustave Roussy, Dept Med Oncol, 114 Rue Edouard Vaillant, F-94800 Villejuif, France
[4] Medway NHS Fdn Trust, Dept Med Oncol, Windmill Rd, Gillingham ME7 5NY, England
[5] Kings Coll London, Fac Life Sci & Med, Sch Canc & Pharmaceut Sci, London SE1 9RT, England
[6] AELIA Org, 9th Km Thessaloniki Thermi, Thessaloniki 57001, Greece