1. Deutsches Elektronen-Synchrotron (DESY), Zeuthen, D-15738, Germany
2. Institute for Nuclear Research of Russian Academy of Sciences, Moscow, RU-117312, Russia
3. Joint Institute for Nuclear Research, Dubna, RU-141980, Russia
4. Irkutsk State University, Irkutsk, RU-664003, Russia
5. Skobeltsyn Institute of Nuclear Physics of Moscow State University, Moscow, RU-119234, Russia
6. Nizhni Novgorod State Technical University, Niznii Novgorod, RU-603600, Russia
7. Kurchatov Institute, Moscow, RU-123182, Russia
8. St. Petersburg State Marine University, St. Petersburg, RU-190008, Russia