- Correspondence to Yasuhiro Kano, Division of Emergency and General Medicine, Tokyo Metropolitan Tama Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo 183-8524, Japan;
- Received August 6, 2020
- Revised August 17, 2020
- Accepted August 22, 2020
- First published September 10, 2020.
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