1. Department of Chemistry, Acadia University, Wolfville, Nova Scotia, Canada B4P 2R6
2. Department of Chemistry and Biochemistry, The University of North Carolina at Greensboro, Greensboro, North Carolina 27402, United States
3. Centre for Innovative and Collaborative Health Services Research, IWK Health Centre, Halifax, Nova Scotia Canada B3K 6R8
4. Department of Chemistry, University of Houston, Houston, Texas 77204−5003, United States
5. Princess Margaret Cancer Centre, University Health Network, 101 College Street, Toronto, Ontario, Canada M6R 1Z7