1. Department of Respiratory Medicine, Juntendo University Nerima Hospital, Japan
2. Department of Gastroenterology, Juntendo University Nerima Hospital, Japan
3. Department of Thoracic Surgery, Juntendo University Nerima Hospital, Japan
4. Department of Respiratory Medicine, Juntendo University School of Medicine, Japan
5. Department of Gastroenterology, Juntendo University School of Medicine, Japan