Correspondence to:
Ali Vasheghani Farahani, MD
Professor of Cardiac Electrophysiology
Cardiac Primary Prevention Research Center,
Cardiovascular Diseases Research Institute, Tehran University of Medical Sciences,
Tehran Heart Center, Jalal Al Ahmad, and North Kargar Intersection, Tehran, Iran.
Postcode: 1411713138; Tel: (+98) 21 88029600-69; Fax: (+98) 21 88029731
E-mail: avasheghani@tums.ac.ir
Competing Interests: The authors declare no potential conflicts of interest.
Funding: This study was funded by Iran National Science Foundation [grant number 98001777 to AVF].
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