Presidential address: retirement and the emergence of the metaverse and ChatGPT in journal publishing after the COVID-19 pandemic

Suppl. 1. Manuscript before English proofreading by ChatGPT. Suppl. 2. Manuscript after English proofreading by ChatGPT. Suppl. 3. Fifty-eight terms on digital standards of journal publishing (queried via ChatGPT) and the acceptability of its answers. Suppl. 4. Answer of ChatGPT (2023 Jan 9 ver.) to 58 topics on digital standards of journal publishing (cited January 19, 2023, 8:30 PM–January 21, 2023, 21:00 PM [Seoul time]).