Funding for this research was provided by:
Shanghai Pujiang Program (13PJC003)
Naval Key Subject Program: Psychiatry (2017) and Naval Key Course Construction Program (20180925)
Text and Data Mining valid from 2020-01-30
Received: 7 April 2019
Accepted: 21 January 2020
First Online: 30 January 2020
Ethics approval and consent to participate
: This study was approved by the ethics committees of Navy Medical University. A complete survey description was first presented to the participants. Informed written consent, together with oral approvals, was obtained before the testing session according to the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.