1 Emergency Institute for Cardiovascular Diseases 'Prof. Dr. C.C. Iliescu', Bucharest, Romania.
2 Cardiology and Cardiac Catheterization Laboratory, ASST Spedali Civili di Brescia, Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, University of Brescia, Brescia, Italy.
3 University of Medicine and Pharmacy 'Carol Davila', Bucharest, Romania.