1. Balneal and Recovery Sanatorium Techirghiol, Constanta, Romania 2 Faculty of Medicine, Ovidius University, Constanţa ,România
2. Emergency Hospital Bagdasar-Arseni, Bucharest, Romania
3. Balneal and Recovery Sanatorium Techirghiol, Constanta, Romania
4. Faculty of Medicine, Ovidius University, Constanţa ,România