Funding for this research was provided by:
National Research Foundation of Korea (2016R1A2B4008243)
U.S. Department of Veterans Affairs (I-1BX000593)
National Institute of Diabetes and Digestive and Kidney Diseases (RO1DK39776.)
Received: 17 January 2018
Accepted: 31 August 2018
First Online: 25 September 2018
Ethics approval and consent to participate
: The animal protocol (2014–069, 2016–102) used in this study was reviewed and approved by the Pusan National University–Institutional Animal Care and Use Committee (PNU-IACUC) regarding their ethical procedures and scientific care.
: 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.