Funding for this research was provided by:
National Institute for Occupational Safety and Health, National Occupational Research Agenda (939011N, 927ZLDA, 927Z8V)
Text and Data Mining valid from 2019-10-07
Received: 19 March 2019
Accepted: 19 August 2019
First Online: 7 October 2019
Ethics approval and consent to participate
: The authors declare that they have no competing interests.