title: AUTHOR Reply.
authors.affiliation: Department of Urology, College of Medicine, Chung-Ang University, Seoul, South Korea.
authors.forename: Jin Wook
authors.initials: JW
authors.lastname: Kim
mesh_terms: D002940:Circadian Rhythm / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D053158:Nocturia / Q000503:physiopathology*; D014563:Urodynamics / Q000502:physiology*; D014940:Work Schedule Tolerance; D016526:Workload / Q000706:statistics & numerical data*