1. Department of Cardiac Surgery, Lankenau Heart Institute, Lankenau Medical Center Main Line Health Wynnewood Pennsylvania USA
2. Department of Cardiac Surgery Research, Lankenau Institute for Medical Research Main Line Health Wynnewood Pennsylvania USA
3. Department of Cardiovascular Sciences Katholieke Universiteit Leuven Leuven Belgium
4. Helen B. Taussig Heart Center The Johns Hopkins Hospital and School of Medicine Baltimore Maryland USA
5. Philadelphia College of Osteopathic Medicine Bala Cynwyd Pennsylvania USA