Document is current

Article History

Received: 16 June 2022

Accepted: 7 April 2023

First Online: 24 May 2023

Declarations

:

: All methods conducted in this study were in accordance with the principles of the Declaration of Helsinki. The study protocol was approved by the Clinical Research Ethics Committee of all the seven centers (Registration number: NCT01770704, First registration date: 18/01/2013), including Beijing Anding Hospital, Peking University Institute of Mental Health, Shanghai Mental Health Center, the Second Affiliated Hospital of Zhejiang University, Shenzhen Mental Health Centre, Xijing Hospital and First Affiliated Hospital of Kunming Medical University. Confidentiality was maintained by omitting the subjects’ identifiable data (like name, date of birth, location, or IP address). The subjects’ rights to stop at any time of the interview were assured. All participants were informed about detailed information about this study, including aims, advantages and so on. Written informed consent was obtained from all patients before they were allowed to participate in this study.

: Not applicable.

: The authors declare no competing interests.