About the Authors

Sonja Gillen

Affiliation Department of Surgery, Technische Universität München, Munich, Germany

Tibor Schuster

Affiliation Institute of Medical Statistics and Epidemiology, Technische Universität München, Munich, Germany

Christian Meyer zum Büschenfelde

Affiliation Department of Hematology and Oncology, Technische Universität München, Munich, Germany

Helmut Friess

Affiliation Department of Surgery, Technische Universität München, Munich, Germany

Jörg Kleeff

kleeff@chir.med.tu-muenchen.de

Affiliations Department of Surgery, Technische Universität München, Munich, Germany, Center of Cancer Systems Biology, Department of Medicine, Caritas St. Elizabeth's Medical Center, Tufts University School of Medicine, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

ICMJE criteria for authorship read and met: SG TS CMzB HF JK. Agree with the manuscript's results and conclusions: SG TS CMzB HF JK. Designed the experiments/the study: SG HF JK. Analyzed the data: SG TS CMzB JK. Collected data/did experiments for the study: SG CMzB JK. Wrote the first draft of the paper: SG JK. Contributed to the writing of the paper: SG TS CMzB HF JK.