[1] German Canc Res Ctr, Div Phys Act Prevent & Canc, Heidelberg, Germany
[2] Heidelberg Univ, Med Fac, Heidelberg, Germany
[3] Julius Maximilian Univ, Dept Internal Med 2, Sect Psychosomat Med Psychotherapy & Psychooncol, Wurzburg, Germany
[4] German Canc Res Ctr, Epidemiol Canc Registry Baden Wurttemberg, Heidelberg, Germany
[5] NCT Heidelberg, Partnership DKFZ, Natl Ctr Tumor Dis NCT, Heidelberg, Germany
[6] Univ Med Ctr Heidelberg, Heidelberg, Germany