Vitamin D3 for reducing mortality from cancer and other outcomes before, during and beyond the COVID-19 pandemic: A plea for harvesting low-hanging fruit
1 Division of Clinical Epidemiology and Aging Research, German Cancer Research Center (DKFZ), Heidelberg, Baden-Württemberg, 69120, Germany.
2 Division of Preventive Oncology, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Baden-Württemberg, 69120, Germany.
3 German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Baden-Württemberg, 69120, Germany.