[1] MCGILL UNIV,DEPT BIOCHEM,ST ANNE BELLEVUE H9X 1C0,QUEBEC,CANADA
[2] CLIN RES INST MONTREAL,MOLEC & BIOCHEM,NEUROENDOCRINOL LABS,MONTREAL H2W 1R7,QUEBEC,CANADA
[3] MCGILL UNIV,CTR NUTR & FOOD SCI,ST ANNE BELLEVUE H9X 1C0,QUEBEC,CANADA
[4] MCGILL UNIV,MACDONALD COLL,DEPT ANIM SCI,ST ANNE BELLEVUE H0A 1C0,QUEBEC,CANADA