Funding for this research was provided by:
National Research Foundation of Korea (No. 2015R1C1A2A01055746, NRF-2016R1D1A1B03934099)
Received: 3 September 2018
Revised: 4 October 2018
Accepted: 9 October 2018
First Online: 1 December 2018
Compliance with ethical standards
: The authors have no financial conflicts of interest.
: The study protocol was approved by the institutional review board of Seoul National University Hospital (IRB No. H-1410-093-619). The animal studies were performed after receiving approval of the Institutional Animal Care and Use Committee (IACUC) in Dongguk University Hospital (IACUC approval No. 201606150).