1 Unit of Cancer Survivorship, Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), P.O. Box 101949, 69009, Heidelberg, Germany. m.thong@dkfz.de.
2 Department of Medical Biology, Amsterdam University Medical Centers, AMC, Amsterdam, Netherlands.
3 Department of Genetic Toxicology and Tumor Biology, National Institute of Biology, Ljubljana, Slovenia.
4 Division of Physical Activity, Prevention and Cancer, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany.
5 Unit of Cancer Survivorship, Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), P.O. Box 101949, 69009, Heidelberg, Germany.