Jung, Jae Hyun
Seok, Hongdeok
Choi, Sung Jae
Bae, Junwoo
Lee, Sang Hoon
Lee, Moo Hwa
Kim, Jae-Hoon
Song, Gwan Gyu
Article History
Received: 19 November 2017
Revised: 9 February 2018
Accepted: 14 February 2018
First Online: 22 February 2018
Compliance with ethical standards
: KNHANES is managed by the Korea Centers for Disease Control and Prevention (KCDC), and the institutional review board of the KCDC approved the study (IRB 2010-02CON-21-C, 2011-02CON-06-C, 2012-01EXP-01-2C, and 2013-07CON-03-4C). The KNHANES was conducted in accordance with the 2000 Declaration of Helsinki.
: None.