[1
]
Respiratory Medicine, School of Medicine, Kitasato University, 1-15-1, Kitasato, Minami-ku,
Sagamihara, Kanagawa 252-0374, Japan. Electronic address: masakubo@kitasato-u.ac.jp.
[2
]
Graduate School of Medical Sciences, Kitasato University, 1-15-1, Kitasato, Minami-ku,
Sagamihara, Kanagawa 252-0373, Japan. Electronic address: hiro@kitasato-u.ac.jp.
[3
]
Department of Pulmonary Diseases and Department of Paediatrics-Pulmonary Diseases,
Erasmus Medical Centre, Erasmus University, ׳s-Gravendijkwal 230, 3015 CE Rotterdam,
The Netherlands. Electronic address: pquanjer@gmail.com.
[4
]
Department of Biomedical Laboratory Sciences, Faculty of Life Sciences, Kumamoto University,
4-24-1, Kuhonji, Chuo-ku, Kumamoto-shi, Kumamoto 862-0976, Japan. Electronic address:
omorih@gpo.kumamoto-u.ac.jp.
[5
]
Department of Respirology, Graduate School of Medicine, Chiba University, 1-8-1, Inohana,
Chuo-ku, Chiba-shi, Chiba 260-8670, Japan. Electronic address: tatsumi@faculty.chiba-u.jp.
[6
]
Department of Respiratory Medicine, Saitama Medical University, 38, Morohongo, Moroyama,
Iruma-gun, Saitama 350-0495, Japan. Electronic address: mkanazaw@saitama-med.ac.jp.