Accepted for Publication: July 8, 2020.
Published: August 4, 2020. doi:10.1001/jamanetworkopen.2020.17271
Open Access: This is an open access article distributed under the terms of the CC-BY License. © 2020 Matsuo T et al. JAMA Network Open.
Corresponding Author: Takahiro Matsuo, MD, Department of Infectious Diseases, St Luke’s International Hospital, 9-1, Akashi-cho, Chuo-ku, Tokyo, Japan (tmatsuo@luke.ac.jp).
Author Contributions: Dr Matsuo had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: All authors.
Acquisition, analysis, or interpretation of data: Matsuo, Kobayashi, Uehara.
Drafting of the manuscript: Matsuo, Kobayashi, Sakamoto.
Critical revision of the manuscript for important intellectual content: Kobayashi, Taki, Uehara, Mori, Fukui.
Statistical analysis: Matsuo, Kobayashi.
Administrative, technical, or material support: Matsuo.
Supervision: Kobayashi, Taki, Sakamoto, Uehara, Mori, Fukui.
Conflict of Interest Disclosures: None reported.
Additional Contributions: We are grateful to Torahiko Jinta, MD, PhD (Department of Respiratory Medicine, St Luke’s International Hospital), Ui Yamada, MD, PhD (Department of Psychosomatic Medicine, St Luke’s International Hospital), Hiroko Arioka, MD, PhD (Department of General Internal Medicine, St Luke’s International Hospital), Shosei Ro, MD (Department of Respiratory Medicine, St Luke’s International Hospital), and Kazuyo Kitaoka, RN, PhD (Faculty of Health Sciences, Komatsu University), for their helpful comments, discussion, and supervision. They were compensated for their time. We appreciate the significant contributions made by the participants from St Luke’s International Hospital.