1. Faculty of Medical Bioengineering, University of Medicine and Pharmacy “Grigore T. Popa” Iași, 700454, Iași, Romania
2. National Research-Development Institute for Optoelectronics INOE 2000, Department of Optoelectronic Methods with Biomedical Applications, Ilfov, 077125, Măgurele, Romania
3. Faculty of Medicine, University of Medicine and Pharmacy "Carol Davila" (UMPCD), 020022 Bucharest, Romania
4. Faculty of Medicine, Ovidius University of Constanta, 900527 Constanta, Romania