1. Department of Internal Medicine St. Marianna University School of Medicine Kawasaki Japan
2. Department of Parasitology and Research Center for Infectious Disease Sciences, Graduate School of Medicine Osaka City University Osaka Japan
3. Department of Respiratory Internal Medicine, St. Marianna University School of Medicine Yokohama‐City Seibu Hospital Yokohama Japan
4. Department of Infectious Diseases St. Marianna University School of Medicine Kawasaki Japan
5. Department of Emergency and Critical Care Medicine St. Marianna University School of Medicine Kawasaki Japan