1. Department of Molecular Biology, Princeton University, Princeton, United States
2. Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, United States
3. Department of Anatomy and Cell Biology, McGill University, Montreal, Canada
4. Department of Molecular and Cellular Biology, University of California, Davis, Davis, United States
5. Groupe de Recherche Axé sur la Structure des Protéines, McGill University, Montreal, Canada