[1] Bristol Myers Squibb, Clin Dev Oncol, Princeton, NJ USA
[2] Emory Univ, Dept Hematol & Med Oncol, Winship Canc Inst, Atlanta, GA 30322 USA
[3] Hosp Univ Reina Sofia, Gastroenterol, Cordoba, Spain
[4] CHU Montpellier, Med Oncol, Hosp St Eloi, Montpellie, France
[5] Tulane Univ, Internal Med, Tulane Med Ctr, Hlth Sci Ctr, New Orleans, LA 70118 USA
[6] Calif Pacific, Med Ctr, San Francisco, CA USA
[7] CHU Grenoble Alpes, Clin Univ Hepatogastroenterol, Grenoble, France
[8] CHU Reims, Dept Hepatogastroenterol, Reims, France
[9] UAM, Digest Syst Serv, Hosp Univ La Paz, Madrid, Spain
[10] Sungkyunkwan Univ, Samsung Med Ctr, Gastroenterol, Seoul, South Korea
[11] Bristol Myers Squibb, Biostat, Braine Lalleud, Belgium
[12] Pinnacle Res Grp Llc, Hematol Oncol, Anniston, AL USA
[13] Tokyo Natl Ctr Global Hlth & Med, Gastroenterol Surg, Tokyo, Japan
[14] Seoul Natl Univ Hosp, Gastroenterol, Seoul, South Korea