East Carolina University Brody School of Medicine, Greenville, NC,USA;
Cardiovascular Diagnosis and Endoluminal Interventions Unit, Rovigo General Hospital, Rovigo, Italy;
St.Mary Medical Center, Merrillville, IN 46410, USA;
West Virginia University, Charleston, West Virginia, USA;
Hershey Medical Center of the Penn State University College of Medicine, Hershey, PA 17033, USA;