About the Authors

Ryuichi Takemoto

Roles Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft

Affiliation Department of Pediatrics, National Hospital Organization Beppu Medical Center, Beppu, Oita, Japan

Ai Anami

Roles Data curation, Investigation, Supervision, Writing – review & editing

Affiliation Department of Obstetrics and Gynecology, National Hospital Organization Beppu Medical Center, Beppu, Oita, Japan

Hiroshi Koga

Roles Conceptualization, Formal analysis, Methodology, Software, Supervision, Writing – original draft, Writing – review & editing

sakuraliberty@me.com

Affiliation Department of Pediatrics, National Hospital Organization Beppu Medical Center, Beppu, Oita, Japan

Competing Interests

The authors have declared that no competing interests exist.