Funding for this research was provided by:
European Research Council
Received: 20 December 2019
Accepted: 29 March 2020
First Online: 15 April 2020
Ethics approval and consent to participate
: This study was approved by Institutional Review Board of Institute of Mental Health in Peking University, and by the King’s College London research ethics committee. Written informed consent was obtained from all participants included.
: Not applicable.
: The authors declare that they have no competing interests.