1. University Joseph Fourier, UFR PhITEM, Grenoble, France
2. Institut Laue–Langevin, Grenoble, France
3. Institut de Biologie Structurale, Grenoble, France
4. University of Oulu, Oulu, Finland
5. University of Hamburg, Hamburg, Germany
6. CNR–IOM–OGG, c/o Institut Laue–Langevin, Grenoble, France