1. Division of Respiratory Medicine, Juntendo University Faculty of Medicine and Graduate School of Medicine, Japan
2. Division of Human Pathology, Juntendo University Faculty of Medicine and Graduate School of Medicine, Japan
3. The Study Group of Pneumothorax and Cystic Lung Diseases, Japan
4. Division of Gynecology and Obstetrics, Juntendo University Faculty of Medicine and Graduate School of Medicine, Japan
5. Department of Pathology, Japanese Red Cross Medical Center, Japan