1. FZU Institute of Physics, Czech Academy of Sciences, Cukrovarnicka 10, 162 00 Prague, Czech Republic
2. Faculty of Nuclear Sciences and Physical Engineering CTU in Prague, Czech Republic
3. European Organization for Nuclear Research (CERN), Geneva, Switzerland
4. Dipartimento di Fisica “Giuseppe Occhialini”, Università degli Studi Milano-Bicocca, Piazza della Scienza 3, 20126 Milano, Italy
5. Ludwig Maximilian University of Munich, Geschwister-Scholl-Platz 1, Munich, Germany