Conflicts of interest
Dr Kawana reports receiving lecture fees and travel support from MSD and grant support from the Japan Agency for Medical and Development (AMED) and GLOVACC Co Ltd; Dr Uemura, lecture fees from Chugai and Eli Lilly; Dr Igimi, patent indemnification from National Institute of Health Sciences and grant support from GLOVACC Co Ltd; Dr Schust, unrelated grant support from the National Institutes of Health. No other potential conflict of interest relevant to this article were reported.