1. Department of Chemistry and Chemical Biology, McMaster University, Hamilton, ON, Canada L8S 4M1
2. Center for Applied Geoscience, Eberhard Karls University Tuebingen, Tuebingen, Germany D-72076
3. Canadian Light Source Inc., University of Saskatchewan, Saskatoon, SK, Canada S7N 0X4
4. Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States