1. Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Peking 100029 China
2. Department of Chemistry University of British Columbia 2036 Main Mall Vancouver BC V6T 1Z1 Kanada
3. Krupp-Lehrstuhl für Allgemeine und Anorganische Chemie Universität des Saarlandes Campus, C4.1 66123 Saarbrücken Deutschland
4. Department of Chemistry University of Wisconsin-Madison 1101 University Avenue Madison WI 53706 USA
5. Department of Chemistry Simon Fraser University 8888 University Drive Burnaby BC V5A 1S6 Kanada
6. Centre for Molecular and Materials Science, TRIUMF 4004 Wesbrook Mall Vancouver BC V6T 2A3 Kanada