1 AIG Hospitals Institute of Cardiac Sciences and Research, 1, Mindspace Road, Gachibowli, Hyderabad, Telangana 500032, India; Division of Cardiovascular Medicine, Electrophysiology Section, University of Arkansas for Medical Sciences, Little Rock, AR, USA. Electronic address: aurasatreya@gmail.com.
2 AIG Hospitals Institute of Cardiac Sciences and Research, 1, Mindspace Road, Gachibowli, Hyderabad, Telangana 500032, India. Electronic address: calambur1@gmail.com.