*Departments of Respiratory Medicine
†Nuclear Medicine, International Medical Center, Saitama Medical University, Hidaka City, Saitama, Japan
K.H., K.K., and I.K.: study conception, design, and manuscript preparation. H.I., A.M., A.S., U.M., and O.Y.: patient management. K.H., K.K., and I.K.: patient data collection and statistical analysis. K.K., K.H., K.K., I.K., and H.K.: manuscript revision.
Reprints: Kyoichi Kaira, Department of Respiratory Medicine, International Medical Center, Saitama Medical University, 1397-1 Yamane, Hidaka city, Saitama, 350-1298, Japan (e-mail: [email protected]).
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