title: Erratum to: Individual and peer factors associated with ketamine use among adolescents in Taiwan.
authors.affiliation: Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan, Taiwan.
authors.forename: Kun-Hua
authors.initials: KH
authors.lastname: Lee
authors.affiliation: Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.|Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
authors.forename: Yi-Chun
authors.initials: YC
authors.lastname: Yeh
authors.affiliation: Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.|Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
authors.forename: Pin-Chen
authors.initials: PC
authors.lastname: Yang
authors.affiliation: Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.|Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
authors.forename: Huang-Chi
authors.initials: HC
authors.lastname: Lin
authors.affiliation: Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.|Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
authors.forename: Peng-Wei
authors.initials: PW
authors.lastname: Wang
authors.affiliation: Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.|Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
authors.forename: Tai-Ling
authors.initials: TL
authors.lastname: Liu
authors.affiliation: Department of Psychiatry, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan. chfaye@cc.kmu.edu.tw.|Department of Psychiatry, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. chfaye@cc.kmu.edu.tw.
authors.forename: Cheng-Fang
authors.initials: CF
authors.lastname: Yen