1. From the Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis (Dr Vance); Phenopath Laboratories, Seattle, Washington (Dr Barry); the Laboratory Department, Clarient Diagnostic Services, Aliso Viejo, California (Dr Bloom); the Department of Pathology, St Jude Medical Center, Fullerton, California (Dr Fitzgibbons); the Department of Pathology, Roswell P