1 Division of Cardiovascular Medicine, The Ohio State University Wexner Medical Center, 200 Davis Heart and Lung Research Institute, 473 West 12th Avenue, Columbus, OH 43210-1252, USA. Electronic address: rrbaliga@gmail.com.
2 Internal Medicine, PMCH, Patna, India. Electronic address: drsamal.hffi@gmail.com.
3 Cardiology Division, "Cava de' Tirreni and Amalfi Coast" Hospital, Cardiothoracic and Vascular Department-, University Hospital, Salerno, Italy; Via Pr. Amedeo, 36, Lauro, Avellino 83023, Italy. Electronic address: ebossone@hotmail.com.