1. Department of Nuclear Physics, Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, Dubna, Russia
2. Department of Nuclear Physics, Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, Bucharest-Magurele, Romania
3. The Institute of Chemistry, Chisinau, Moldova
4. Nuclear Safety Institute of the Russian Academy of Sciences, Moscow, Russia
5. Laboratory for Heterochain Polymers, A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russia