1. From the Department of Pathology, MD Anderson Cancer Center, Houston, Texas (Dr Gertz);
2. the Division of Molecular Genomic Pathology, University of Pittsburgh, Pennsylvania (Dr Nikiforov);
3. the Department of Pathology and Laboratory Medicine, University of Wisconsin, Madison (Drs Lloyd and Rehrauer);
4. and the School of Public Health, Louisiana State University, New Orleans (Dr McDaniel). Dr Gertz is now located at the Department of Pathology, OhioHealth Riverside Methodist Hospital, Columbus, Ohio.