1. Department of Chemistry Carleton University 1125 Colonel By Drive Ottawa Ontario K1S 5B6 Canada
2. Inorganic Materials Chemistry Faculty of Chemistry Ruhr University Bochum Bochum 44801 Germany
3. Department of Chemistry Saint Mary's University 923 Robie Street Halifax Nova Scotia B3H 3 C3 Canada
4. Department of Chemistry University of Ottawa 75 Laurier Ave. E Ottawa ON-K1N 6 N5