Article History
Received: 28 August 2019
Accepted: 10 February 2020
First Online: 24 February 2020
Compliance with Ethical Standards
:
: The authors state that there is no conflict of interest.
: The findings and conclusions in this paper are those of the authors and do not necessarily represent the official position of the National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention. Mention of any company or product does not constitute endorsement by NIOSH.