1 From the Gifu University of Medical Science (T.M.), Seki, Gifu, Japan; and Division of Pulmonary, Critical Care & Sleep (R.J.T.), Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA. tadaaki.mano@nifty.com.
2 From the Gifu University of Medical Science (T.M.), Seki, Gifu, Japan; and Division of Pulmonary, Critical Care & Sleep (R.J.T.), Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA.