1. Bristol-Myers Squibb Research & Development, 311 Pennington-Rocky Hill Road, Pennington, New Jersey 08534, United States
2. Institute for Research in Immunology and Cancer, Université de Montréal, P.O. Box 6128, Downtown Station, Montréal, Québec H3C 3J7, Canada
3. Bristol-Myers Squibb Research & Development, 3551 Lawrenceville Road, Princeton, New Jersey 08540, United States
4. Bristol-Myers Squibb Research & Development, 5 Research Parkway, Wallingford, Connecticut 06492, United States
5. Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, Québec H3C 3J7, Canada