1. Department of Health and Safety, Daegu Catholic University Graduate School, Gyeongsan, Republic of Korea
2. Department of Toxicity Assessment, Daegu Catholic University Graduate School of Medical Health and Science, Gyeongsan, Republic of Korea
3. Department of Occupational Health, Daegu Catholic University Graduate School, Gyeongsan, Republic of Korea
4. Department of Preventive Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea