1. Univ. of Geneva (Switzerland)
2. Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology (United States)
3. INFN Perugia (Italy)
4. North-West Univ. (South Africa)
5. Purple Mountain Observatory (China)
6. Dublin City Univ. (Ireland)
7. Oskar Klein Ctr., Univ. of Stockholm (Sweden)
8. INFN Bari (Italy)
9. IRFU, CEA-Saclay (France)
10. Paul Scherrer Institute (Switzerland)
11. Oskar Klein Ctr., KTH Royal Institute of Technology (Sweden)
12. Nicolaus Copernicus Astronomical Ctr. (Poland)