Jung, Jae-Hyun
Kim, Dong-Hyun
Yoo, Kyung-Hyeon
Yoon, Seog-Young
Kim, Yeon
Bae, Moon-Kyoung
Chung, Jin
Ko, Ching-Chang
Kwon, Yong Hoon
Kim, Yong-Il http://orcid.org/0000-0003-3889-2545
Funding for this research was provided by:
the National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2015R1C1A1A01051832)
Article History
Received: 13 July 2017
Accepted: 19 March 2018
First Online: 6 April 2018
Compliance with ethical standards
:
: YI Kim has received research grants from the National Research Foundation of Korea (NRF) for this study. All authors declare that they have no competing interest.
: The study was approved by the Ethics Committee of Pusan National University Dental Hospital (PNUDH-2016-033).
: Informed consent was obtained from all individual participants included in the study.