1. Cardiology Clinic, Clinical Emergency Hospital “Sf. Spiridon” Iasi, University of Medicine and Pharmacy “Gr. T. Popa”, 16 University Str., Iaşi 700115, Romania
2. “Grigore T. Popa” University of Medicine and Pharmacy, Faculty of Medicine, Biophysics and Medical Physics Department, 16 University Str., Iaşi 700115, Romania
3. Physics Department, “Gheorghe Asachi” Technical University, Prof. Dr. Docent Dimitrie Mangeron Rd., No. 59A, Iaşi 700050, Romania
4. Academy of Romanian Scientist, 54 Splaiul Independentei, Sector 5, Bucureşti 050094, Romania
5. “Grigore T. Popa” University of Medicine and Pharmacy, Faculty of Medicine, Rheumatology Department, 16 University Str., Iaşi 700115, Romania