Ethical approval
DISEASE
This study was conducted in accordance with the Declaration of Helsinki. Ethical approval was obtained from the CHA University Institutional Review Board in March 2017 (1044308-201612-BR-030-03) (The clinical trial registration number is as follows:Clinical Research Information Service [Internet]; Osong (Chungcheongbuk-do): Korea Centers for Disease Control and Prevention, Ministry of Health and Welfare (Republic of Korea); KCT0004588; December 31, 2019