Chung, Doo Yong
Lee, Jong Soo
Ahmad, Almujalhem
Chang, Ki don
Ham, Won Sik
Han, Woong Kyu
Hong, Chang Hee
Choi, Young Deuk
Rha, Koon Ho
Article History
Received: 4 April 2019
Accepted: 19 July 2019
First Online: 25 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The current research was approved by the Severance Hospital institutional review board (protocol number 4-2018-1126).