Text and Data Mining valid from 2017-10-18
Received: 16 March 2017
Accepted: 4 October 2017
First Online: 18 October 2017
Ethics approval and consent to participate
: Medicare data were obtained under a data use agreement established with the Centers for Medicaid and Medicare Services (CMS) and the University of North Carolina at Chapel Hill (UNC-CH). The study protocol was approved by UNC’s Non-Biomedical Institutional Review Board (# 15-1704).
: Not applicable.
: TS receives investigator-initiated research funding and support as Principal Investigator from the National Institute on Aging (NIA), and as Co-Investigator, National Institutes of Health (NIH). He also receives salary support as Director of the Comparative Effectiveness Research (CER) Strategic Initiative, NC TraCS Institute, UNC Clinical and Translational Science Award and as Director of the Center for Pharmacoepidemiology (current members: GlaxoSmithKline, UCB BioSciences, Merck) and research support from pharmaceutical companies (Amgen, AstraZeneca) to the Department of Epidemiology, University of North Carolina at Chapel Hill. Dr. Stürmer does not accept personal compensation of any kind from any pharmaceutical company. He owns stock in Novartis, Roche, BASF, AstraZeneca, and Novo Nordisk.The authors declare that they have no competing interests.