Received: 24 October 2020
Accepted: 6 June 2021
First Online: 26 June 2021
: The survey was performed by the National Center for Health Statistics (NCHS) and approved by the NCHS Institutional Review Board (IRB). All informed consents had been obtained from the eligible subjects before initiating data collection and NHANES health examinations.
: Not applicable.
: There are no competing interests.