1. Department of Respiratory Medicine, Tohoku University Graduate School of Medicine
2. Department of Hematology, Tohoku University Graduate School of Medicine
3. Laboratory Diagnostics, Tohoku University Hospital
4. Department of Anesthesiology and Perioperative Medicine, Tohoku University Graduate School of Medicine
5. Department of Infectious Diseases, International Research Institute of Disaster Science, Graduate School of Medicine, Tohoku Medical Megabank Organization, Tohoku University