1. Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB, T2N 1N4, Canada
2. Department of Chemistry and Biochemistry, The University of Lethbridge, Lethbridge, AB, T1K 3M4, Canada
3. Department of Chemistry, University of Jyväskylä, Jyväskylä, FI-40014, Finland