Son, Kyung-Lak
Jung, Dooyoung
Lee, Kwang-Min
Hwang, Heesung
Lee, JooYoung
Kim, Tae-Yong
Im, Seock-Ah
Lee, Kyung-Hun
Spiegel, David
Hahm, Bong-Jin http://orcid.org/0000-0002-2366-3275
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2013R1A1A2013480)
Article History
Received: 12 March 2018
Accepted: 18 June 2019
First Online: 1 July 2019
Compliance with ethical standards
: The study protocol was approved by the Institutional Review Board of Seoul National University Hospital (IRB No. H-1105-092-363), and the clinical trial registration number was NCT 01887925 (WWW.CLINICALTRIALS.GOV).
: The authors declare that they have no conflicts of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study protocol was approved by the Institutional Review Board of Seoul National University Hospital (IRB No. H-1105-092-363).