Affiliation: | 1. Department of Preventive and Community Dentistry, School of Dentistry, Pusan National University, Busan, Korea;2. *Co‐first authors and contributed equally.;3. Department of Occupational and Environmental Medicine, College of Medicine, Kyung Hee University, Seoul, Korea;4. Department of Preventive and Social Dentistry, School of Dentistry;5. Department of Environmental and Occupational Medicine, School of Public Health;6. Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea |