1. Division of Biostatistics, Department of Preventive Medicine University of Tennessee Health Science Center Memphis Tennessee USA
2. Computational and Statistical Genomics Branch, National Human Genome Research Institute National Institutes of Health Baltimore Maryland USA
3. Department of Biostatistics, Bioinformatics, and Biomathematics Georgetown University Medical Center Washington District of Columbia USA
4. Department of Genetics, Genomics and Informatics University of Tennessee Health Science Center Memphis Tennessee USA
5. Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing China
6. National Eye Institute National Institute of Health Bethesda Maryland USA
7. Department of Computer Science and Engineering Technology University of Maryland Eastern Shore Princess Anne Maryland USA
8. Human Genetics Center University of Texas–Houston Houston Texas USA