1. Department of Pathology; Fukuoka University Hospital and School of Medicine; Fukuoka Japan
2. Department of Respiratory Medicine; Fukuoka University Hospital and School of Medicine; Fukuoka Japan
3. Department of Anatomic Pathology, Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
4. Department of Pathology; Hyogo College of Medicine; Nishinomiya Japan
5. Department of Pathology; Osaka Prefectural Medical Center for Respiratory and Allergic Disease; Habikino Japan
6. Department of Pathology; Tokyo Women's Medical University Yachiyo Medical Center; Yachiyo Japan