1. a Physikalisches Institut, Universität Bayreuth , Postfach 101251, 95440, Bayreuth, Germany
2. b Max-Planck-Institut für Chemie , Postfach 3060, 55020, Mainz, Germany
3. c Institut für Geophysik, Universität Göttingen , Herzberger Landstrasse 180, 37075, Göttingen, Germany
4. d Institute of Geophysics and Planetary Physics, University of California , Los Angeles, CA, 90024, USA
5. e Geophysical Department , Eötvös University , Ludovica ter. 2, 1083, Budapest, Hungary
6. f Dept. of Earth and Planetary Sciences , Harvard University , Cambridge, MA, 02138, USA
7. m Los Alamos National Laboratory, Earth and Environmental Science Div , MS-F665, Los Alamos, NM, 87545, USA
8. g Laboratoire de Dynamique des Systemes Géologiques, IPG , 4 place Jussieu, 75252, Paris, Cedex 05, France
9. h Dept. of Earth Sciences , Monash University , Clayton, VIC 3168, Australia
10. i Dépt. TAO, Ecole normale supérieure , 24 rue Lhomond, 75231, Paris 05, France
11. j Dept. of Earth Sciences , Ehime University , Ehime, 790, Japan
12. k Dept. of Geological Sciences , Brown University , Providence, RI, 02912, USA
13. l Unité CNRS de Géophysique et Géodynamique interne, Université de Paris-Sud , 91405, Orsay, Cedex, France
14. n Laboratoire de Géophysique et Planetologie, Université de Nantes , 2 rue de Houssiniére, 44072, Nantes, Cedex 03, France