1. Department of Maternal, Child and Adolescent Health, Scientific Research Center in Preventive Medicine MOE Key Laboratory of Population Health Across Life Cycle NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract Anhui Provincial Key Laboratory of Population Health and Aristogenics School of Public Health Anhui Medical University Hefei China
2. Research Unit for Epidemiology, Department of Public Health Aarhus University Aarhus C Denmark
3. Department of Urology Aarhus University Hospital Aarhus N Denmark
4. Department of Clinical Genetics Aarhus University Hospital Aarhus N Denmark
5. Department of Clinical Epidemiology Aarhus University Hospital Aarhus N Denmark
6. Department of Epidemiology, Fielding School of Public Health University of California Los Angeles (UCLA) Los Angeles California USA