[1] University Medical Centre Utrecht,Department of Geriatric Medicine
[2] Universiteit Utrecht,Division of Pharmacoepidemiology and Pharmacotherapy, Utrecht Institute for Pharmaceutical Sciences
[3] University of Southampton,Medical Research Council Epidemiology Resource Centre
[4] Southampton General Hospital,Institute of Musculoskeletal Sciences
[5] General Practice Research Database,Department of Clinical Pharmacy
[6] Medicines and Healthcare products Regulatory Agency,undefined
[7] University of Oxford,undefined
[8] University Medical Centre Utrecht,undefined