Received: 5 September 2020
Accepted: 2 March 2021
First Online: 17 March 2021
: Not applicable. Human-subjects research review was conducted by the U.S. Centers for Disease Control and Prevention, which determined that this information collection did not meet the regulatory definition of research under 45 CFR 46.102(d) and was therefore determined to be a non-research public health response activity.
: Not applicable.
: The authors declare that they have no competing interests.