[1
]
Department of Respiratory Medicine, Okayama University Hospital, Okayama, Japan.
[2
]
Department of Respiratory Medicine, Okayama University Hospital, Okayama, Japan. khotta@okayama-u.ac.jp.
[3
]
Department of Hematology and Oncology, Okayama University Hospital, 2-5-1, Shikatacho,
Kitaku, Okayama, 700-8558, Japan. khotta@okayama-u.ac.jp.
[4
]
Department of Respiratory Medicine, Japanese Red Cross Okayama Hospital, Okayama,
Japan.
[5
]
Department of Thoracic Oncology and Medicine, NHO Shikoku Cancer Center, Matsuyama,
Japan.
[6
]
Department of Respiratory Medicine, NHO Iwakuni Medical Center, Iwakuni, Japan.
[7
]
Department of Respiratory Medicine, Ehime Prefectural Central Hospital, Matsuyama,
Japan.
[8
]
Department of Respiratory Medicine, Chugoku Central Hospital, Fukuyama, Japan.
[9
]
Department of Respiratory Medicine, NHO Fukuyama Medical Center, Fukuyama, Japan.
[10
]
Department of Respiratory Medicine, Japanese Red Cross Kobe Hospital, Kobe, Japan.
[11
]
Department of General Internal Medicine 4, Kawasaki Medical School, Okayama, Japan.
[12
]
Department of Hematology and Oncology, Okayama University Hospital, 2-5-1, Shikatacho,
Kitaku, Okayama, 700-8558, Japan.