1. Hylleraas
Centre for Quantum Molecular Sciences, UiT-The Arctic University of Norway, N-9037 Tromsø, Norway
2. Department
of Chemistry, UiT-The Arctic University of Norway, N-9037 Tromsø, Norway
3. Department
of Chemistry, University of Helsinki, P.O. Box 55, 00014 Helsinki, Finland
4. Hylleraas
Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O.
Box 1033, Blindern, N-0315 Oslo, Norway