[1] Univ Freiburg, Med Ctr, Dept Med 1, Freiburg, Germany
[2] Univ Freiburg, Fac Med, Freiburg, Germany
[3] Univ Alberta, Dept Oncol, Edmonton, AB, Canada
[4] Univ Milan, Fac Med, Milan, Italy
[5] Univ Southampton, Fac Med, Southampton, Hants, England
[6] Univ Hosp Southampton NHS Fdn Trust, NIHR Southampton Biomed Res Ctr, Southampton, Hants, England
[7] Univ Southampton, Southampton, Hants, England
[8] Texas A&M Univ, Ctr Translat Res Aging & Longev, Dept Hlth & Kinesiol, College Stn, TX USA
[9] Ludwig Maximilian Univ Hosp, Comprehens Canc Ctr, Munich, Germany
[10] Sapienza Univ, Dept Clin Med, Rome, Italy
[11] Univ Salford, Dept Translat Med, Salford, Lancs, England
[12] Nottingham Univ Hosp NHS Trust, Nottingham Biomed Res Ctr, NIHR, Nottingham Digest Dis Ctr,Gastrointestinal Surg, Nottingham, England
[13] Univ Nottingham, Nottingham, England
[14] Univ Glasgow, Dept Surg Sci, Glasgow, Lanark, Scotland
[15] Klinikum Bremen Mitte, Dept Gastroenterol Endocrinol & Clin Nutr, Bremen, Germany
[16] Elisabeth Protestant Hosp, Dept Internal Med, Berlin, Germany
[17] Cantonal Hosp St Gallen, Dept Internal Med, St Gallen, Switzerland
[18] Cantonal Hosp St Gallen, Palliat Care Ctr, St Gallen, Switzerland
[19] Vrije Univ Amsterdam, Med Ctr, Dept Nutr & Dietet, Amsterdam, Netherlands
[20] HAN Univ Appl Sci, Dept Nutr & Hlth, Nijmegen, Netherlands
[21] Univ Hosp Brussels, Hop Erasme, Gastroenterol Serv, Brussels, Belgium
[22] Tech Univ, Klinikum Rechts Isar, Dept Radiat Oncol & Radiotherapy, Munich, Germany
[23] Hosp St Georg, Dept Gen Visceral & Oncol Surg, Leipzig, Germany