1. Division of Biostatistics, Department of Medicine, Indiana University, Indianapolis, IN 46022.
2. Indiana University Cancer Center, Indianapolis, IN 46022.
3. Department of Pathology and Anatomical Sciences, Ellis Fischel Cancer Center, University of Missouri, School of Medicine, Columbia, Missouri 65203.
4. Division of Human Cancer Genetics, Department of Molecular Virology, Immunology, and Medical Genetics, Comprehensive Cancer Center, The Ohio State University, Columbus, OH 43210.
5. Medical Sciences, Indiana University, Bloomington, IN 47405.