1. Institute of Pathology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
2. Department of Pathology, University of British Columbia, Vancouver, BC, Canada
3. Department of Laboratory Medicine and Pathology
4. Department of Laboratory Medicine and Pathology, Mayo Clinic, Jacksonville, FL
5. Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale
6. Department of Diagnostic Radiology, Mayo Clinic, Phoenix, AZ
7. Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN