1. Chemistry and Chemical Biology; McMaster University; 1280 Main Str. W Hamilton Ontario Canada L8S 4M1
2. Department of Chemical and Biochemical Engineering, Danish Polymer Centre; Technical University of Denmark, DTU; Søltofts Plads, Bldg. 227 Kgs. Lyngby 2800 Denmark
3. Department of Polymer Science; University of Stellenbosch; De Beers Street Stellenbosch 7600 South Africa