Funding for this research was provided by:
Jisan Cultural Psychiatry Research Fund (2016) from the Korean Foundation of Neuropsychiatric Research
Received: 29 May 2018
Accepted: 28 August 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: The Institutional Review Board/Ethics Committee of Soonchunhyang University, Seoul Hospital of Korea approved the study protocol, which was in accordance with the Declaration of Helsinki. Psychiatrists and psychiatry residents were informed about the study and signed consent forms.
: Not applicable.
: The authors declare that they have no competing interests.