Authors: Vincenzo Mazzaferro, Josep M. Llovet, Rosalba Miceli, Sherrie Bhoori, Marcello Schiavo, Luigi Mariani, Tiziana Camerini, Sasan Roayaie, Myron Schwartz, Gian Luca Grazi, René Adam, P. Neuhaus, Mauro Salizzoni, Jordi Bruix, Alejandro Forner, Luciano De Carlis, Umberto Cillo, Andrew K. Burroughs, Roberto Troisi, Massimo Rossi, Giorgio Enrico Gerunda, Jan Lerut, Jacques Belghiti, I. Boin, Jean Gugenheim, Fedja A. Rochling, Bart van Hoek, Pietro Majno - The Lancet 2008 cited by 2,033
