Ethics Approval and Consent to Participate

The study was approved by an institutional review board or equivalent and has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. This article does not contain any studies with human participants or animals performed by any of the authors.

Consent for Publication

The institutional review board waived the need to obtain informed consent.

Competing Interests

Yeongjoo Lee and Sae Jung Na declare that they have no conflict of interest.

Declaration of Generative AI in Scientific Writing

There is no involvement of the generative AI in the presented manuscript.

Preprint Sharing

Not applicable.