1The Ohio Heart and Vascular Center, 10506 Montgomery Road, Cincinnati, OH 45242, USA
2The Christ Hospital, Cincinnati, OH, USA
3UCLA School of Medicine, Torrance, CA, USA
4Michigan Heart and Vascular Institute, Ann Arbor, MI, USA
5University of Wisconsin Hospital and Clinics,Madison, WI, USA
6Minneapolis Heart Institute, Abbott Northwestern Hospital, Minneapolis, MN, USA
7Georgia Health Sciences University, Augusta, GA, USA
8University of Arizona Health Sciences Center, Tucson, AZ, USA
9The Heart Center/University of Alabama, Huntsville, AL, USA
10Princeton Longevity Center, Princeton, NJ, USA
11Indiana University, School of Medicine, Indianapolis, IN, USA
12University of Kentucky Medical Center, Lexington, KY. USA