Funding for this research was provided by:
Science and Technology of Guangdong Provincial People's Hospital (2017lx03)
Guangdong Provincial Department of Science and Technology (2018A030313816)
Ministry of Science and Technology of People's Republic of China (2016YFC1307003)
Received: 16 February 2020
Accepted: 27 May 2020
First Online: 6 June 2020
Ethics approval and consent to participate
: The study protocol was approved by the Ethics Committees of Guangdong Provincial People’s Hospital. All participants provided written informed consent prior to participation.
: Not applicable.
: The author Fujun Jia is currently acting as an Associate Editor for BMC Psychiatry. Other authors declare that they have no competing interests.