[1] Natl Ctr Tumor Dis NCT Heidelberg, Dept Med Oncol, Heidelberg, Germany
[2] Beaujon Hosp, APHP, Dept Pancreatol & Digest Oncol, Clichy, France
[3] Heidelberg Univ Hosp, Dept Med Endocrinol & Clin Chem 1, Heidelberg, Germany
[4] Univ Heidelberg Hosp, Dept Med Gastroenterol Infect Dis & Intoxicat 4, Heidelberg, Germany
[5] Heidelberg Univ Hosp, Dept Nucl Med, Heidelberg, Germany
[6] Beaujon Hosp, APHP, Dept Pathol, Clichy, France
[7] RKH Hosp Ludwigsburg, Inst Pathol & Neuropathol, Ludwigsburg, Germany
[8] Heidelberg Univ Hosp, Inst Pathol, Heidelberg, Germany