1. Department of Nuclear Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA, USA;
2. Department of Physics, University of Liverpool, Merseyside, United Kingdom;
3. P. N. Lebedev Physical Institute of RAS, Moscow, Russia;
4. Physics Department, Stanford University, Stanford, CA, USA;
5. Wright Laboratory, Department of Physics, Yale University, New Haven, CT, USA;
6. Center for Neutrino Physics, Virginia Tech, Blacksburg, VA, USA;
7. School of Physics, Sun Yat-Sen University, Guangzhou, China;
8. Department of Physics, Kitasato University, Sagamihara, Japan;
9. Department of Physics, Seoul National University, Seoul, Korea;
10. Center for Underground Physics, Institute for Basic Science, Daejeon, Korea;
11. Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, HI, USA;
12. Max-Planck Institute for Nuclear Physics, Heidelberg, Germany;
13. Graduate School of Engineering, University of Fukui, Fukui, Japan;
14. Research Center for Neutrino Science, Tohoku University, Sendai, Japan;
15. Department of Physics, Imperial College London, London, United Kingdom;
16. Department of Physics, Temple University, Philadelphia, PA, USA;
17. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China