Department of Sport Science, University of Seoul, Seoul, South Korea (Drs Jae and Kim); Center for Health Promotion, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea (Mr Lee and Drs Choi and Kang); National Institute for Health Research Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust and the University of Bristol, Bristol, UK (Dr Kunutsor); Translational Health Sciences, Bristol Medical School, University of Bristol, Learning & Research Building (Level 1), Southmead Hospital, Bristol, UK (Dr Kunutsor); Department of Exercise Science, Syracuse University, Syracuse, New York (Dr Heffernan); and Division of Urban Social Health, Graduate School of Urban Public Health, University of Seoul, Seoul, South Korea (Dr Jae).
Correspondence: Sae Young Jae, PhD, Health and Integrative Physiology Laboratory, Department of Sport Science, University of Seoul, 90 Jeonnong-dong, Dongdaemun-gu, Seoul 130-743, South Korea ([email protected]).
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The authors declare no conflicts of interest.