1. Department of Chemistry University of Copenhagen Universitetsparken 5 2100 København Denmark
2. Niels Bohr Institute University of Copenhagen Blegdamsvej 17 2100 København Denmark
3. Department of Physics Geology and Engineering Technology Northern Kentucky University Highland Heights KY 41099-1900 USA
4. TRIUMF 4004 Wesbrook Mall Vancouver BC V6T 2 A3 Canada
5. Department of Chemistry Willard H. Dow Laboratories University of Michigan 930N. University Ave. Ann Arbor MI 48109-1055 USA