1 Dartmouth-Hitchcock Medical Center and Geisel School of Medicine, Lebanon, NH.
2 Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN.
3 Department of Pathology, Faculty of Medicine in Plzen, University Hospital Plzen, Charles University, Plzen, Czech Republic; Biopticka Laboratory, Ltd, Plzen, Czech Republic.
4 Department of Laboratory Medicine and Pathology, Mayo Clinic, Jacksonville, FL. Electronic address: [email protected].