1. Department
of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4M1, Canada
2. Department
of Physics, Colorado School of Mines, Golden, Colorado 80501, United States
3. ESRF, 71 Avenue des Martyrs, Grenoble, 38000, France
4. Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
5. Division
of Polymer and Materials Chemistry, Lund University, Lund, SE-221 00, Sweden