1. Mid America Heart Institute at Saint Luke's Hospital, Kansas City, MO, USA
2. Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
3. John Ochsner Heart & Vascular Institute, Ochsner Clinical School, The University of Queensland School of Medicine, New Orleans, LA, USA
4. Pennington Biomedical Research Center, Baton Rouge, LA, USA