a University of Bologna and INFN-/Bologna, Italy b Brown University, Providence, USA c University of Campinas, Campinas, Brazil d CERN, Geneva, Switzerland e Chinese Academy of Science, Beijing, China f University of Firenze and INFN-Firenze, Italy g INFN/LNF, Frascati, Italy h INFN/LNGS, Assergi, Italy i University of Houston, Houston, USA j Indiana University, Bloomington, USA k Massachusetts Institute of Technology, Cambridge, USA l Northeastern University, Boston, USA m INR, Russian Academy of Sciences, Moscow, Russia n Okayama University, Okayama, Japan o Okayama University of Science, Okayama, Japan p University of Perugia and INFN-Perugia, Italy q Saitama University, Saitama, Japan r Ashikaga Institute of Technology, Ashikaga, Japan s Institute of Cosmo-Geophysics, CNR, Torino, Italy t University of Torino and INFN-Torino, Italy u University of Urbino, and INFN-Firenze, Italy |