1. Department of Electrophysiology Sri Jayadeva Institute of Cardiovascular Sciences and Research Bangalore India
2. Department of Electrophysiology Liverpool Heart and Chest Hospital Liverpool UK
3. Department of Cardiology, Westchester Medical Centre New York Medical College New York USA
4. Leon H Charney Division of Cardiology New York University Langone Health New York USA
5. Department of Cardiology Piedmont Heart Institute, Rockdale Atlanta Georgia USA