Park, Jun Seok
Yoon, Ghilsuk
Kim, Hye Jin
Park, Soo Yeun
Choi, Gyu Seog
Kang, Min Kyu
Kim, Jong Gwang
Jang, Jung-Sik
Seo, An Na https://orcid.org/0000-0001-6412-3067
Article History
Received: 27 March 2018
Revised: 5 July 2018
Accepted: 8 July 2018
First Online: 28 July 2018
Compliance with ethical standards
: The authors declare that they comply with the journal’s ethical standards.
: The Institutional Review Board waived the need for written informed consent under the condition of anonymization and no additional intervention to the participants.
: All authors have declared no conflicts of interest.