title: Erratum to: Heart rate variability in male shift workers in automobile manufacturing factories in South Korea.
authors.affiliation: Department of Occupational and Environmental Medicine, Haeundae Paik Hospital, Inje University, 875, Haeun-daero, Haundae-gu, Busan, 612-896, Republic of Korea.
authors.forename: Sangyoon
authors.initials: S
authors.lastname: Lee
authors.affiliation: Department of Biostatistics and Epidemiology, School of Public Health, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 151-742, Republic of Korea.
authors.forename: Ho
authors.initials: H
authors.lastname: Kim
authors.affiliation: Department of Occupational and Environmental Medicine, Haeundae Paik Hospital, Inje University, 875, Haeun-daero, Haundae-gu, Busan, 612-896, Republic of Korea.
authors.forename: Dae-Hwan
authors.initials: DH
authors.lastname: Kim
authors.affiliation: Department of Pediatrics, College of Medicine, Hanyang University, Kyoungchun-ro 153, Guri-si, Gyeonggi-do, 471-701, Republic of Korea.
authors.forename: Myunggul
authors.initials: M
authors.lastname: Yum
authors.affiliation: Department of Preventive Medicine, School of Medicine, Kangwon National University, 1 Kangwondaehak-gil, Chuncheon-si, Gangwon-do, 200-701, Republic of Korea. sonmia@kangwon.ac.kr.
authors.forename: Mia
authors.initials: M
authors.lastname: Son