1. QST Hospital, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba-shi 263-8555, Japan
2. Department of Pulmonary Medicine, International University of Health and Welfare, Narita Hospital, Hatakeda 852, Narita 286-8520, Japan
3. Department of General Thoracic Surgery, Social Welfare Organization Saiseikai Imperial Gift Foundation, Chibaken Saiseikai Narashino Hospital, 1-8-1 Izumi-Cho, Narashino-shi 275-8580, Japan
4. Department of Respiratory Medicine, Kanagawa Cardiovascular and Respiratory Center, 6-16-1, Tomioka-higashi, Kanazawa-ku 236-0051, Japan
5. Department of Thoracic Surgery, International University of Health and Welfare, Narita Hospital, Hatakeda 852, Narita 286-8520, Japan