1. Research Institute for Nuclear Problems; Bobruiskaya str. 11 Minsk 220030 Belarus
2. National Research Center “Kurchatov Institute”; Kurchatov sqr. 1 Moscow 123098 Russia
3. Fomos Crystals; Moscow 107023 Russia
4. Radiation Instruments and New Components; Minsk 220036 Belarus
5. Institute of Solid State Physics; Latvian University; Riga LV-1063 Latvia
6. Second Physics Institute; Justus Liebig University; Giessen 35390 Germany
7. NeoChem; Moscow 121069 Russia
8. Baker Hughes a GE Company; Houston 77040 TX USA