[1] MCGILL UNIV,CTR HUMAN GENET,MONTREAL H3A 2T5,QUEBEC,CANADA
[2] XEROX RES CTR CANADA LTD,MISSISSAUGA L5K 2L1,ONTARIO,CANADA
[3] UNIV WATERLOO,DEPT CHEM,WATERLOO N2L 3G1,ONTARIO,CANADA
[4] UNIV WATERLOO,GUELPH WATERLOO CTR GRAD WORK CHEM,WATERLOO N2L 3G1,ONTARIO,CANADA