Funding for this research was provided by:
Department of Neurology Translational Center of Excellence for Neuroepidemiology and Neurology Outcomes at the University of Pennsylvania
Text and Data Mining valid from 2018-11-19
Received: 19 December 2017
Accepted: 5 November 2018
First Online: 19 November 2018
Ethics approval and consent to participate
: This study complied with the United States Agency for Healthcare Research and Quality’s Healthcare Cost and Utilization Project (HCUP) Data Use Agreement and was exempt from research ethics board review. Data from the 2014 NRD is de-identified; therefore, consent to participate was not applicable.
: Not applicable.
: JAGC, DPT, YF, and AWW declare that they have no competing interests. DK serves as Chief Risk Scientist of Risk Sciences International, a Canadian company formed in partnership with the University of Ottawa in 2006 (ExternalRef removed) that conducts risk assessment work for public and private sector clients in Canada and internationally. To date, RSI has not conducted work on the subject of the present research paper. DK holds a Natural Sciences and Engineering Council of Canada (NSERC) Industrial Research Chair in Risk Science, through a peer-reviewed university-industry partnerships program administered by NSERC. None of the industrial partners in this program are from the pharmaceutical industry.
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