1. Department of Chemistry, The University of Western Ontario, London, Ontario, Canada N6A 3K7
2. Departamento de Química, FFCLRP, Universidade de São Paulo, Avenida Bandeirantes 3900, 14040-901 Ribeirão Preto, SP, Brazil
3. The Center for Advanced Materials and Biomaterials Research, The University of Western Ontario, London, Ontario, Canada N6K 3K7
4. Department of Applied Mathematics, The University of Western Ontario, London, Ontario, Canada N6A 5B7