Yamamoto Hiroshi, Yasuo Masanori, Ichiyama Takashi, Ushiki Atsuhito, Hanaoka Masayuki, Hamano Hideaki, Uehara Takeshi, Kawakami Satoshi, Matsui Shoko, Kubo Keishi
First Dept of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan.
Second Dept of Internal Medicine, Shinshu University School of Medicine, Matsumoto, Japan.
ERJ Open Res. 2015 Oct 23;1(2). doi: 10.1183/23120541.00009-2015. eCollection 2015 Oct.