Department of Chest Medicine (Su VY, Chang, Su W, Perng, Chen Y, Chou), Division of Hematology and Oncology, Department of Medicine (Liu), Sleep Center (Chou), Department of Radiology (Wang), Department of Family Medicine (Chen T), Taipei Veterans General Hospital, Taipei, Taiwan; Department of Radiology (Wu), Heping-Fuyou Branch, Taipei City Hospital, Taipei, Taiwan; Institute of Public Health (Liu), Institute of Clinical Medicine (Chou), Institute of Emergency, Critical Care Medicine (Chang), School of Medicine (Su VY, Liu, Wang, Chang, Su W, Perng, Chen Y, Chen T, Chou), National Yang-Ming University, Taipei, Taiwan; College of Medicine (Lin), Chang Gung University, Taoyuan, Taiwan
MD