1 Department of Respiratory Medicine, Kyoto University, Kyoto, Japan.
2 Department of Respiratory Medicine, Kyoto University, Kyoto, Japan. Electronic address: hmatsumo@kuhp.kyoto-u.ac.jp.
3 Department of Respiratory Medicine, Nara Medical University, Nara, Japan.
4 Department of Bioscience and Genetics, National Cerebral and Cardiovascular Center Research Institute, Osaka, Japan; Department of Medical Genetics, Sakakibara Heart Institute, Tokyo, Japan.
5 Department of Respirology, Kyoto Prefectural University of Medicine (North Medical Center), Kyoto, Japan.