Author Contributions
Mayumi Higa collected data from medical records, was involved in data
management, performed statistical analysis, and wrote the draft
manuscript. Takeshi Morimoto contributed to the study design, supervised
statistical analysis as the study biostatistician, and revised the draft
manuscript. Masayuki Ikeda contributed to the development of the study
concept and study design. Shinichiro Ueda conducted this registry study
as the principal investigator, contributed to the study concept and
design, and revised the draft manuscript.