1. Intractable Disease Care Center, Shinshu University Hospital, Matsumoto, Japan;
2. Department of Medicine (Neurology and Rheumatology), Shinshu University School of Medicine, Matsumoto, Japan;
3. Department of Plastic Surgery, Shinshu University School of Medicine, Matsumoto, Japan;
4. Endoscopic Examination Center, Shinshu University Hospital, Matsumoto, Japan;
5. Department of Thoracic Surgery, Shinshu University Hospital, Matsumoto, Japan;
6. Department of Laboratory Medicine, Shinshu University School of Medicine, Matsumoto, Japan;
7. Department of Diagnostic Pathology, Yamaguchi University Hospital, Ube, Japan