1. Faculty of Science and Technology, University of Stavanger, 4036 Stavanger, Norway
2. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
3. Department of Physics, Syracuse University, Syracuse, New York 13244, USA
4. Institut für Theoretische Physik, Goethe Universität, Max-von-Laue-Strasse 1, 60438 Frankfurt am Main, Germany
5. Technische Universität Darmstadt, Department of Physics, 64289 Darmstadt, Germany
6. ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
7. Institut de Physique des 2 infinis de Lyon, CNRS/IN2P3, Université de Lyon, Université Claude Bernard Lyon 1, F-69622 Villeurbanne Cedex, France
8. International Research Laboratory on Nuclear Physics and Astrophysics, Michigan State University and CNRS, East Lansing, Michigan 48824, USA