1. Department of Cardiology, Rasoul-e-Akram Hospital, Iran University of Medical Sciences, Tehran, Iran.
2. Shahid Beheshti University of Medical Sciences, Tehran, Iran.
3. Rajaei Cardiovascular Medical and Research Center, Iran University of Medical Sciences, Tehran, Iran.
4. Michigan State University, Sparrow Health System, East Lansing, MI, USA.
5. Tehran University of Medical Sciences, Tehran, Iran.