title: Authors' reply.
authors.affiliation: Chen Zhang, MD, PhD, Zezhi Li, MD, PhD, Yiru Fang, MD, PhD, Professor, Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Email: yirufang@gmail.com.
authors.forename: Chen
authors.initials: C
authors.lastname: Zhang
authors.affiliation: Chen Zhang, MD, PhD, Zezhi Li, MD, PhD, Yiru Fang, MD, PhD, Professor, Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Email: yirufang@gmail.com.
authors.forename: Zezhi
authors.initials: Z
authors.lastname: Li
authors.affiliation: Chen Zhang, MD, PhD, Zezhi Li, MD, PhD, Yiru Fang, MD, PhD, Professor, Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Email: yirufang@gmail.com.
authors.forename: Yiru
authors.initials: Y
authors.lastname: Fang
mesh_terms: D001714:Bipolar Disorder / Q000175:diagnosis*; D019208:Brain-Derived Neurotrophic Factor / Q000097:blood*; D003865:Major Depressive Disorder / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male
chemical_list: D019208:Brain-Derived Neurotrophic Factor