Funding for this research was provided by:
National Center for Injury Prevention and Control (R49 CE002096)
Text and Data Mining valid from 2019-03-25
Received: 14 December 2018
Accepted: 19 February 2019
First Online: 25 March 2019
Ethics approval and consent to participate
: This study was deemed exempt from review under 45 CFR 46 title 45 of the Code of Federal Regulations part 46 (protection of human research subjects) by the Columbia University Medical Center institutional review board; informed consent was therefore not applicable.
: Not applicable.
: GL is Editor-in-Chief of <i>Injury Epidemiology.</i> He was not involved in the peer-review or handling of the manuscript. The authors have no other competing interests to disclose.
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