Tomoyuki Kakugawa , Shin-ichi Yokota , Hiroshi Mukae , Hiroshi Kubota , Noriho Sakamoto , Syunji Mizunoe , Yasuhiro Matsuoka , Jun-ichi Kadota , Nobuhiro Fujii , Kazuhiro Nagata and Shigeru Kohno
BMC Pulmonary Medicine 2008, 8:23doi:10.1186/1471-2466-8-23