1. Department of Biostatistics, State University of New York at Buffalo;
2. Department of Biostatistics, University of North Carolina at Chapel Hill;
3. Department of Radiology and BRIC, University of North Carolina at Chapel Hill;
4. Department of Brain and Cognitive Engineering, Korea University, Seoul, Korea;
5. Department of Statistics and Operations Research, Department of Genetics, Department of Biostatistics, Carolina Center for Genome Science, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, NC