Funding for this research was provided by:
National Institute for Occupational Safety and Health (5T42OH008421)
Received: 5 April 2019
Accepted: 10 January 2020
First Online: 20 February 2020
Ethics approval and consent to participate
: The study was approved by the UTHealth Committee for the Protection of Humans Subjects (CPHS). All participants gave “implied consent” in which they were verbally informed of their ability to withhold responses, terminate participation, and provided contact information should they have any questions or concerns.
: Not applicable.
: The authors declare that they have no competing interests.