Rie Shigemasa1, Hironori Masuko1, Kentaro Hyodo1, Haruna Kitazawa1, Jun Kanazawa1, Yohei Yatagai1, Hiroaki Iijima2, Takashi Naito2, Takefumi Saito3, Tomomitsu Hirota4, Mayumi Tamari4, Tohru Sakamoto1, Nobuyuki Hizawa1
(1.Department of Pulmonary Medicine, University of Tsukuba, Japan, 2.Tsukuba Medical Center, Japan, 3.National Hospital Organization Ibaraki Higashi Hospital, Japan, 4.Research Center for Medical Science, The Jikei University School of Medicine, Japan)
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