Funding for this research was provided by:
Korean Society for the Study of Obesity. (KSSO202104)
Received: 17 September 2021
Accepted: 4 March 2022
First Online: 22 March 2022
: This study followed the ethical standards laid out in the Declaration of Helsinki and was approved by our institutional review board (IRB) (Approval Number: 2020-06-002-002).Consent was not required from all participants. We only reviewed the patient charts for this study, and we guaranteed that we would not use the information for anything other than for research purposes. Additionally, we reviewed the charts that provided only the identification numbers of participants instead of their names. This was approved by the ethics committee.
: Not applicable. This is because all patient information was investigated anonymously, and the manuscript did not reveal the patients’ personal clinical information or their images.
: The author declare that they have no competing interest.