About the Authors

Yume Suzuki

Contributed equally to this work with: Yume Suzuki, Yumi Kono, Takahiro Hayakawa

Roles Writing – original draft

yume@jichi.ac.jp

Affiliation Department of Pediatrics, Jichi Medical University, Shimotsuke city, Tochigi Pref., Japan

Yumi Kono

Contributed equally to this work with: Yume Suzuki, Yumi Kono, Takahiro Hayakawa

Roles Supervision, Writing – review & editing

Affiliation Department of Pediatrics, Jichi Medical University, Shimotsuke city, Tochigi Pref., Japan

Takahiro Hayakawa

Contributed equally to this work with: Yume Suzuki, Yumi Kono, Takahiro Hayakawa

Roles Conceptualization, Formal analysis

Affiliation Medical Policy Division, Department of Health and Welfare Services, Tochigi Prefectural Office, Utsunomiya city, Tochigi Pref., Japan

Hironori Shimozawa

Roles Conceptualization

Affiliation Department of Pediatrics, Jichi Medical University, Shimotsuke city, Tochigi Pref., Japan

Miyuki Matano

Roles Conceptualization

Affiliation Department of Pediatrics, Jichi Medical University, Shimotsuke city, Tochigi Pref., Japan

Yukari Yada

Roles Conceptualization, Writing – review & editing

Affiliation Department of Pediatrics, Jichi Medical University, Shimotsuke city, Tochigi Pref., Japan

for the Neonatal Research Network Japan

The institutions enrolled in the study of the Neonatal Research Network, Japan, are provided in the Acknowledgments.

Competing Interests

The authors have declared that no competing interests exist.