Funding for this research was provided by:
Faculty Research Grant from Yonsei University College of Medicine (6-2016-0094)
Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education, Republic of Korea (2017R1D1A1B03035047)
Received: 3 December 2018
Accepted: 19 February 2019
First Online: 7 March 2019
Ethics approval and consent to participate
: The study protocol was approved by the institutional review board at Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea (3–2017-0171) on June 12, 2017. The study complies with the Declaration of Helsinki and the principles of Good Clinical Practice. All patients who fulfill the inclusion criteria will provide written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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