1. Univ. of California, Berkeley (United States)
2. Cardiff Univ. (United Kingdom)
3. Univ. of Colorado at Boulder (United States)
4. Univ. of California, San Diego (United States)
5. Lawrence Berkeley National Lab. (United States)
6. Dalhousie Univ. (Canada)
7. High Energy Accelerator Research Organization (Japan)
8. McGill Univ. (Canada)
9. Lab. Astroparticule et Cosmologie, CNRS, Univ. Paris 7 (France)
10. Science and Technology Facilities Council (United Kingdom)
11. Austin College (United States)