The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions. Data S1: The materials and methods used for Sanger sequencing and immunofluorescence antigen mapping of connexin 30.3 are briefly explained. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Saito et al. (2026) studied this question.