Funding for this research was provided by:
National Institute on Deafness and Other Communication Disorders (R01 DC0135470, F31 DC015941-01A1, K24DC016312)
Received: 27 January 2018
Accepted: 10 May 2018
First Online: 17 May 2018
Compliance with Ethical Standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.