[1] Univ Naples Federico II, Naples, Italy
[2] Baylor Coll Med, Houston, TX 77030 USA
[3] SDA Bocconi, CERGAS, Milan, Italy
[4] ASST Cremona, Cremona, Italy
[5] Med Univ South Carolina, Charleston, SC 29425 USA
[6] Northwestern Univ, Chicago, IL 60611 USA
[7] Univ Liege, CHU Liege, Liege, Belgium
[8] Ctr Leon Berard, Lyon, France
[9] Inst Gustave Roussy, Paris, France
[10] IRCCS Fdn G Pascale, Ist Nazl Tumori, Naples, Italy
[11] Univ Trieste, Trieste, Italy