作者单位:Department of Hematology, Mayo Clinic, Rochester, MN, United States[1]Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States[2]Mayo Clinic, Division of Pulmonary and Critical Care Medicine, 200 First St SW, Rochester, MN 55905[3]Department of Diagnostic Radiology, Mayo Clinic, Rochester, MN, United States[4]