Funding for this research was provided by:
National Institutes of Health (R01DC013588, U01DK082316)
Foundation for the National Institutes of Health (R01DC02148)
National Cancer Institute (HHSN261201600383P)
Received: 13 February 2018
Accepted: 2 October 2018
First Online: 23 October 2018
Ethics approval and consent to participate
: The Institutional Review Board at The University of Pennsylvania School of Medicine provided full study approval, and informed consent was obtained pre-operatively from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.