About the Authors
- Tjeerd-Pieter van Staa, Bill Zhang
- General Practice Research Database, London, United Kingdom
- Tjeerd-Pieter van Staa, Hubert G. Leufkens
- Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands
- Liam Smeeth
- London School of Hygiene & Tropical Medicine, London, United Kingdom
TPvS and BZ: The General Practice Research Database receives funding from the Medicines and Healthcare products Regulatory Agency, pharmaceutical companies, universities, and contract research organizations. TPvS and HGML: The Utrecht Institute for Pharmaceutical Sciences at Utrecht University has received unrestricted funding for pharmacoepidemiological research from GlaxoSmithKline, Novo Nordisk, the private-public funded Top Institute Pharma (http://www.tipharma.nl; includes co-funding from universities, government, and industry), the Dutch Medicines Evaluation Board, and the Dutch Ministry of Health. LS is funded by a Wellcome Trust Senior Research Fellowship in Clinical Science.
ICMJE criteria for authorship read and met: TPVS HGL BZ LS. Agree with the manuscript's results and conclusions: TPVS HGL BZ LS. Designed the experiments/the study: TPVS HGL BZ LS. Analyzed the data: TPVS BZ. Wrote the first draft of the paper: TPVS. Contributed to the writing of the paper: TPVS HGL BZ LS.