1. Petru Poni Institute of Macromolecular Chemistry of Romanian Academy; 41A Grigore Ghica Voda Alley 700487 Iasi Romania
2. Laboratory of Magnetic Fluids; Center for Fundamental and Advanced Technical Research, Romanian Academy-Timisoara Branch; 24 Mihai Viteazul Boulevard 300223 Timisoara Romania
3. Faculty of Medicine; Grigore T. Popa University of Medicine and Pharmacy; Iasi Romania
4. Romanian Railroad Clinic Hospital Iasi, Rehabilitation, Physical Medicine, and Balneoclimatology Clinic (Caile Ferate Romane Hospital); Iasi 700506 Romania