Article History
Received: 17 December 2018
Accepted: 20 February 2020
First Online: 6 January 2022
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The findings and conclusions in this report 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 company names or products does not constitute endorsement by NIOSH.