1. INFN
2. CERN
3. University of Houston
4. Thomas Jefferson National Accelerator Facility
5. FZD Dresden-Rossendorf
6. INFN, Italy and University of Granada
7. Department of Physics and Astronomy, Uppsala University
8. INFN and University Bologna
9. INFN and University of Roma II
10. HIT
11. University of Siegen
12. AIT- Austrian Institute of Technology
13. SLAC
14. NASA