Funding for this research was provided by:
National Institutes of Health (K24 DK-109940)
Received: 19 July 2018
Revised: 28 August 2018
Accepted: 4 September 2018
First Online: 14 September 2018
Compliance with ethical standards
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were carried out in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was waived for this retrospective study.