Funding for this research was provided by:
National Institute on Deafness and Other Communication Disorders (T35 DC008757, R01 DC009595)
National Institute of General Medical Sciences (P20 GM109023)
Text and Data Mining valid from 2019-01-31
Received: 22 May 2018
Accepted: 26 December 2018
First Online: 31 January 2019
Compliance with Ethical Standards
: This study was approved by the Boys Town National Research Hospital Institutional Review Board under protocol 03-07-XP. Written informed consent was obtained from all participants.
: The authors declare that they have no conflict of interest.