1. Frank Laboratory of Neutron Physics, Joint Institute for Nuclear Research, 141980, Dubna, Russian Federation
2. Department of Inorganic and
Analytical Chemistry, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780, Poznan, Poland
3. Institut de Physique de Rennes,
UMR CNRS 6251, Université Rennes
1, 35042, Rennes
Cedex, France