1. Institute for Polymer Research, Waterloo Institute for Nanotechnology, Department of Chemistry, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
2. Université de Bordeaux, CNRS, Bordeaux Institut National Polytechnique, CBMN (UMR 5248), Institut Europeen de Chimie Biologie, 2 Rue Escarpit, 33600 Pessac, France
3. Department Pharmazie, Ludwig-Maximilians-Universität München, Butenandtstraße 5-13, D-81377 Munich, Germany