title: Reply to: "How does high fitness attenuate the risk of all-cause mortality in individuals with increased coronary artery calcification?"
authors.affiliation: Division of Cardiology, Sungkyunkwan University School of Medicine, Heart Stroke & Vascular Institute, Samsung Medical Center, Seoul, Republic of Korea. Electronic address: jdsung@skku.edu.
authors.forename: Jidong
authors.initials: J
authors.lastname: Sung
authors.affiliation: Division of Cardiology, Seoul National University Hospital, Healthcare System Gangnam Center, Seoul National University College of Medicine, Seoul, Republic of Korea.
authors.forename: Su-Yeon
authors.initials: SY
authors.lastname: Choi
authors.affiliation: Division of Cardiology, Seoul National University Hospital, Healthcare System Gangnam Center, Seoul National University College of Medicine, Seoul, Republic of Korea.
authors.forename: Hyo Eun
authors.initials: HE
authors.lastname: Park
authors.affiliation: Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
authors.forename: Donghee
authors.initials: D
authors.lastname: Han
authors.affiliation: Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
authors.forename: Hyuk-Jae
authors.initials: HJ
authors.lastname: Chang
mesh_terms: D003324:Coronary Artery Disease; D006801:Humans; D012306:Risk; D061205:Vascular Calcification
keywords: Coronary artery calcification; Fitness