^*Department of Pathology, Charles University, Faculty of Medicine in Plzen

^†Bioptic Laboratory Ltd., Plzen, Czech Republic

^‡Departments of Pathology and Oncology, The Johns Hopkins University School of Medicine, Baltimore, MD

The authors have no funding or conflicts of interest to disclose.

Reprints: Lisa M. Rooper, MD, Johns Hopkins University School of Medicine, Baltimore 21231, MD (e-mail: [email protected]).