About the Authors

Tetsu Ohnuma

Affiliation Intensive Care Unit, Department of Anesthesiology, Saitama Medical Center, Jichi Medical University, Saitama, Japan

Shigehiko Uchino

s.uchino@mac.com

Affiliation Intensive Care Unit, Department of Anesthesiology, Jikei University School of Medicine, Tokyo, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: SU. Data curation: TO. Formal analysis: TO. Investigation: TO. Methodology: SU. Project administration: SU. Resources: TO. Software: TO. Supervision: SU. Validation: TO. Visualization: TO. Writing – original draft: TO. Writing – review & editing: SU.