[1] Katholieke Universiteit Leuven,Department of Andrology and Endocrinology
[2] The University of Manchester,ARC Epidemiology Unit
[3] Manchester Academic Health Science Centre,Leuven University Division of Geriatric Medicine and Centre for Metabolic Bone Diseases
[4] Katholieke Universiteit Leuven,Department of Reproductive Biology
[5] Imperial College London,Clinical Radiology, Imaging Science and Biomedical Engineering
[6] The University of Manchester,Department of Obstetrics, Gynaecology and Andrology
[7] Manchester Academic Health Science Centre,Department of Medicine
[8] MRC Human Nutrition Research,Andrology Unit, Department of Clinical Physiopathology
[9] Albert Szent-Gyorgy Medical University,Scanian Andrology Centre, Department of Urology
[10] Santiago de Compostela University,Department of Endocrinology
[11] University of Florence,Department of Andrology and Reproductive Endocrinology
[12] Malmö University Hospital,Laboratory of Molecular Endocrinology and Oncology, Le Centre hospitalier de l’Universite Laval
[13] University of Lund,Clinical Gerontology
[14] Royal Free and University College Hospital Medical School,Andrology Unit
[15] Royal Free Hospital,Department of Endocrinology
[16] Medical University of Lodz,undefined
[17] Laval University,undefined
[18] The University of Manchester,undefined
[19] Manchester Academic Health Science Centre,undefined
[20] Hope Hospital,undefined
[21] United Laboratories of Tartu University Clinics,undefined
[22] The University of Manchester,undefined
[23] Manchester Academic Health Science Centre,undefined
[24] Manchester Royal Infirmary,undefined