1. Impulso Especialistas en Enfermedades Cardíacas, Department of Cardiology and Electrophysiology, Metropolitano Hospital of Quito, Ecuador, Medical Towers Metropolitano Hospital , Office 214 , Quito 170135, Ecuador
2. PUCE-TEC Technologies, Pontifical Catholic University of Ecuador , Quito 170143 , Ecuador
3. Department of Cardiac Pacing & Electropysiology, Fortis Escorts Heart Institute , New Delhi, Delhi 110025 , India
4. Section of Cardiology, Aga Khan University Hospital , Box 30270, Nairobi , Kenya
5. Referral Pacemaker Center, Clinical Centre of Serbia , 11000 Belgrade , Serbia
6. Electrophysiology Division, Prince Sultan Cardiac Center , As Sulimaniyah, Riyadh 13213 , Saudi Arabia