1. Department of Chemistry, Oakland University, 146 Library Drive, Rochester, Michigan 48309-4479, United States
2. Department of Chemistry, University of Jyvaskyla, Survontie 9 B, Jyväskylä FI-40014, Finland
3. Department of Chemistry and Biochemistry, University of Windsor, 401 Sunset Avenue, Windsor, Ontario N9B 3P4, Canada