[1] Rajendra Inst Med Sci, Dept Gen Med, Ranchi, Bihar, India
[2] Inst Postgrad Med Educ & Res, Bangur Inst Neurosci, Dept Neurol, Kolkata, W Bengal, India
[3] Univ Queensland, Sch Med, Ochsner Clin Sch, Dept Cardiol,John Ochsner Heart & Vasc Inst, New Orleans, LA USA