[1] Burdwan Med Coll & Hosp, Dept Gen Med, Burdwan, W Bengal, India
[2] Rajendra Inst Med Sci, Dept Gen Med, Ranchi, Jharkhand, India
[3] Inst Post Grad Med Educ & Res & SSKM Hosp, Dept Neuromed, Bangur Inst Neurosci, Kolkata, W Bengal, India
[4] Univ Queensland, Sch Med, Dept Cardiovasc Dis, John Ochsner Heart & Vasc Inst,Ochsner Clin Sch, New Orleans, LA USA