1 Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan.
2 Second Division, Department of Internal Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan; Department of Laboratory Medicine, Hamamatsu University School of Medicine, Hamamatsu, Japan; Infection Control and Prevention Center, Hamamatsu University School of Medicine, Hamamatsu, Japan. Electronic address: [email protected].
3 Advanced Research Facilities and Services, Hamamatsu University School of Medicine, Hamamatsu, Japan.