,
Choi, Hyoung Soo
Choi, Qute
Kim, Jung-Ah
Im, Kyong Ok
Park, Si Nae
Park, Yoomi
Shin, Hee Young
Kang, Hyoung Jin
Kook, Hoon
Kim, Seon Young
Kim, Soo-Jeong
Kim, Inho
Kim, Ji Yoon
Kim, Hawk
Park, Kyung Duk
Park, Kyung Bae
Park, Meerim
Park, Sang Kyu
Park, Eun Sil
Park, Jeong-A
Park, Jun Eun
Park, Ji Kyoung
Baek, Hee Jo
Seo, Jeong Ho
Shim, Ye Jee
Ahn, Hyo Seop
Yoo, Keon Hee
Yoon, Hoi Soo
Won, Young-Woong
Lee, Kun Soo
Lee, Kwang Chul
Lee, Mee Jeong
Lee, Sun Ah.
Lee, Jun Ah
Lee, Jae Min
Lee, Jae Hee
Lee, Ji Won
Lim, Young Tak
Jung, Hyun Joo
Chueh, Hee Won
Choi, Eun Jin
Jung, Hye Lim
Kim, Ju Han
Lee, Dong Soon
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2014R1A2A1A10052286)
SK Telecom Research Fund (3420130160)
Article History
Received: 1 December 2018
Accepted: 17 April 2019
First Online: 23 May 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of each participating institution (Seoul National University Hospital IRB No. 1308–006-507).
: As details on individuals reported within the manuscript are entirely unidentifiable, consent for publication in OJRD was not requested from parents.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.