1. Centre for Artificial Intelligence Research, Department of Information and Communication Technology, University of Agder, 4879 Grimstad, Norway
2. Department of Physics, University of Maryland, College Park, MD 20742, USA
3. Department of Physics, Brown University, Providence, RI 02912, USA
4. Department of Physics and Astronomy, University of Rochester, Rochester, NY 14627, USA
5. Department of Physics, Baylor University, Waco, TX 76706, USA
6. Department of Physics & Astronomy, University of California, Riverside, CA 92521, USA
7. Institute of Particle Physics and Accelerator Technologies, Riga Technical University, LV-1048 Rīga, Latvia
8. Department of Physics, Bari University, 70121 Bari, Italy
9. Department of Physics and Astronomy, Ghent University, B-9000 Ghent, Belgium
10. Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA
11. Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843, USA
12. Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias, University of Oviedo, 33004 Oviedo, Spain
13. Fermi National Accelerator Laboratory, Batavia, IL 60510, USA