Funding for this research was provided by:
Korea Health Industry Development Institute (HI17C2272)
Korea Brain Research Institute funded by the Ministry of Science and ICT (20-BR-01-12)
Received: 25 June 2020
Accepted: 17 November 2020
First Online: 10 December 2020
Ethics approval and consent to participate
: The present study was approved by the Institutional Review Board of Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea (approval number KC14DDSE0479). Informed consent was signed by all participants.
: Not applicable.
: The authors declare they have no competing interests.