title: Reply to the editor.
authors.affiliation: Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Republic of Singapore.
authors.forename: Roderica Rui Ge
authors.initials: RR
authors.lastname: Ng
authors.affiliation: Department of Anesthesia and Surgical Intensive Care, Singapore General Hospital, Singapore, Republic of Singapore; Cardiovascular and Metabolic Disorders, Duke-National University of Singapore Graduate Medical School, Singapore, Republic of Singapore.
authors.forename: Sophia Tsong Huey
authors.initials: ST
authors.lastname: Chew
authors.affiliation: Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Republic of Singapore.
authors.forename: Weiling
authors.initials: W
authors.lastname: Liu
authors.affiliation: Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Republic of Singapore.
authors.forename: Liang
authors.initials: L
authors.lastname: Shen
authors.affiliation: Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Republic of Singapore; Department of Anesthesia, National University Health System, Singapore, Republic of Singapore.
authors.forename: Lian Kah
authors.initials: LK
authors.lastname: Ti
mesh_terms: D058186:Acute Kidney Injury / Q000453:epidemiology* / Q000209:etiology*; D001026:Coronary Artery Bypass / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male