Funding for this research was provided by:
Ministry of Science and Technology, Taiwan (103-2410-H-003-022)
Received: 24 March 2020
Accepted: 25 June 2020
First Online: 2 July 2020
Change Date: 23 March 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12888-021-03161-X
Ethics approval and consent to participate
: This study protocol was reviewed and approved by the Research Ethics Committee at National Chang Hua Normal University (no. NCUEREC-103-013). All analyses utilized a de-identified national data set. Individual level consent was not possible nor was it determined not to be necessary by the Ethics Committee.
: Not applicable
: We have no competing interests.