1. Department of Chemistry; Dalhousie University; 6274 Coburg Road Halifax, NS Canada
2. School of Materials Science and Engineering; Georgia Institute of Technology; 771 Ferst Drive Atlanta, GA United States
3. Department of Chemistry; Memorial University; Prince Philip Drive St. John's, NL Canada
4. George W. Woodruff School of Mechanical Engineering; Georgia Institute of Technology; 801 Ferst Drive, Atlanta, GA, United States