Funding for this research was provided by:
Sookmyung Women’s University (Research Grants [1-1703-2027].)
Article History
Received: 23 May 2020
Accepted: 23 March 2021
First Online: 17 April 2021
Declarations
:
: All procedures and materials for this study were approved by an Institutional Review Board in Sookmyung Women’s University, Korea (SMWU-1605-h-025, Registered 03 March 2017—Retrospectively registered, ). The participating therapists and the guardians of the children were asked to sign an informed consent prior to their participation in the study.
: The authors declare that there is no conflict of interest.
: The authors declare that they have no competing interests.