1. Sophic Pursuits, Tonkawa, Oklahoma 74653, United States
2. Research Safety, Northwestern University, Evanston, Illinois 60208, United States
3. School of Chemistry, Department of Pure & Applied Chemistry, University of Strathclyde, Glasgow G11XL, United Kingdom
4. Department of Chemistry, University of Connecticut, Storrs, Connecticut 06269, United States
5. Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
6. Department of Chemistry, Northwestern University, Evanston, Illinois 60208-001, United States