Funding for this research was provided by:
National Institute on Deafness and Other Communication Disorders (080825)
Received: 13 September 2020
Accepted: 22 March 2021
First Online: 23 April 2021
: All participants signed written, informed consent and the study was approved by the Committee on Human Research (CHR) at the University of California, San Francisco. Parents signed written, informed consent for their participation and that of their children.
: Not Applicable.
: The authors declare that they have no competing interests.