1. Dipartimento di Chimica GIAF and INSTM UdR-Parma, Università di Parma, Parco Area delle Scienze 17/a, 43124 Parma, Italy,
2. Institute of Physics, National Academy of Sciences, Kiev 03028, Ukraine,
3. CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32826
4. Institute of Organic Chemistry, National Academy of Sciences, Kiev 03094, Ukraine