[1] KU Leuven,Department of Gerontology and Geriatrics
[2] University of Manchester,Department of Clinical and Cognitive Neurosciences, Institute of Brain, Behaviour and Mental Health
[3] University of Manchester,Arthritis Research UK Centre for Epidemiology, Institute of Inflammation and Repair
[4] Manchester Academic Health Science Centre,NIHR Manchester Musculoskeletal Biomedical Research Unit, Central Manchester University Hospitals NHS Foundation Trust
[5] Albert Szent-György Medical University,Department of Obstetrics, Gynaecology and Andrology
[6] Complejo Hospitalario Universitario de Santiago (CHUS),Department of Medicine, Instituto Salud Carlos III
[7] University of Manchester,Andrology Research Unit
[8] University of Florence,Endocrinology Unit
[9] University of Florence,Sexual Medicine and Andrology Unit, Department of Experimental, Clinical, and Biomedical Sciences
[10] University of Lund,Reproductive Medicine Centre, Skåne University Hospital
[11] Ashford and St Peter’s NHS Foundation Trust,Department of Endocrinology
[12] Imperial College London,Department of Surgery and Cancer
[13] Medical University of Łódź,Department of Andrology and Reproductive Endocrinology
[14] University of Glasgow,Department of Human Nutrition
[15] United Laboratories of Tartu University Clinics,Andrology Unit
[16] University of Manchester,School of Social Sciences, Cathie Marsh Institute for Social Research
[17] KU Leuven,Department of Rehabilitation Sciences
[18] KU Leuven,Department of Andrology and Endocrinology
[19] KU Leuven,Department of Clinical and Experimental Medicine
[20] University Hospitals Leuven,Geriatric Medicine
[21] University of Manchester,The Endocrinology and Diabetes Research Group, Faculty of Medical and Human Sciences, Institute of Human Development
[22] Manchester Academic Health Science Centre,Manchester Diabetes Centre, Central Manchester University Hospitals NHS Foundation Trust
[23] UZ Leuven,undefined