About the Authors

Imad Maatouk

Contributed equally to this work with: Imad Maatouk, Beate Wild

imad.maatouk@med.uni-heidelberg.de

Affiliation Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany

Beate Wild

Contributed equally to this work with: Imad Maatouk, Beate Wild

Affiliation Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany

Daniela Wesche

Affiliation Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany

Wolfgang Herzog

Affiliation Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany

Elke Raum

Affiliation Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany

Heiko Müller

Affiliation Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany

Dietrich Rothenbacher

Affiliations Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany, Institute for Epidemiology and Medical Biometry, University of Ulm, Ulm, Germany

Christa Stegmaier

Affiliation Saarland Cancer Registry, Saarland Ministry of Public Health, Saarbrücken, Germany

Dieter Schellberg

These authors also contributed equally to this work.

Affiliation Department of General Internal Medicine and Psychosomatics, Medical University Hospital Heidelberg, Heidelberg, Germany

Hermann Brenner

These authors also contributed equally to this work.

Affiliation Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HB CS DR ER HM. Performed the experiments: HB CS DR ER HM. Analyzed the data: IM DW DS. Contributed reagents/materials/analysis tools: WH. Wrote the paper: IM BW. Interpretation of data: IM WH DW BW. Drafting or revising the article critically for important intellectual content: IM BW DW WH ER HM DR CS DS HB. Final approval of the version to be published: IM BW DW WH ER HM DR CS DS HB.