Funding for this research was provided by:
National Research Foundation of Korea (NRF-2017R1A2B4009017)
Text and Data Mining valid from 2018-12-01
Received: 28 May 2018
Accepted: 20 November 2018
First Online: 6 December 2018
Ethics approval and consent to participate
: This study involves human derived material and data and was carried out in compliance with the declaration of Helsinki (ExternalRef removed) and Korean GCP guidelines. This study was approved by the IRB of Gangnam Severance Hospital (IRB #3–2017-0059) and written informed consents were obtained from participants on the use of human derivatives.
: The verbal consent that the data obtained from the specimens might be published anonymously were obtained from the human derivative providers.
: Every author declared that there is no conflict of interest.
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