[1] Grant Med Coll, Bombay, Maharashtra, India
[2] Sir JJ Grp Hosp, Bombay, Maharashtra, India
[3] KJ Somaiya Med Coll & Res Ctr, Bombay, Maharashtra, India
[4] DY Patil Med Coll, Navi Mumbai, Maharashtra, India
[5] Postgrad Inst Med Educ & Res, Sect 12, Chandigarh 160012, India
[6] Quintiles Cardiac Safety Serv, Bombay, Maharashtra, India
[7] Arrhythmia Associates, Bombay, Maharashtra, India