1. School of Dietetics and Human Nutrition, McGill University, Canada, H9X 3V9
2. Department of Animal Science, McGill University, Canada, H9X 3V9
3. Centre de recherche sur le vieillissement, Institut universitaire de gériatrie de Sherbrooke, Canada, J1H 4C4
4. Department of Epidemiology and Biostatistics, McGill University, Canada, H37 3J7