Article History
Received: 2 June 2020
Accepted: 14 October 2020
First Online: 2 November 2020
Compliance with Ethical Standards
:
: The findings and conclusions in this report are those of the author(s) 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.
: The authors declare that they have no conflict of interest.