1. Department of Public Health Sciences, Seoul National University Graduate School of Public Health , Seoul , The Republic of Korea
2. NHMRC Centre of Research Excellence on Achieving the Tobacco Endgame, School of Public Health, Faculty of Medicine, The University of Queensland , Herston, Queensland , Australia
3. Department of Public Health, University of Otago , Wellington , New Zealand
4. Department of Health Administration, Daejin University , Pocheon , The Republic of Korea
5. Department of Neurology, Skånes University Hospital , Sweden
6. Institute of Health and Environment, Seoul National University , Seoul , The Republic of Korea