1. Département d'informatique et de recherche opérationnelle, Université de Montréal, CP 6128 succ. Centre-Ville, Montréal, QC H3C 3J7, Canada.
2. Bioinformatics Research Laboratory, Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030.
3. Human Genome Sequencing Center, Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030.