Risk of prostate cancer in relatives of prostate cancer patients in Sweden: A nationwide cohort study Roles Conceptualization, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing Affiliations Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany, Center for Primary Health Care Research, Lund University, Malmö, Sweden, Institute of Medical Biometry and Informatics, Heidelberg University Hospital, Heidelberg, Germany ⨯ Yu Tian, Roles Methodology, Writing – review & editing Affiliations Division of Preventive Oncology, National Center for Tumor Diseases (NCT), German Cancer Research Center (DKFZ), Heidelberg, Germany, Medical Faculty Heidelberg, Heidelberg University, Heidelberg, Germany Roles Methodology,