1 From the Department of Cardiac Surgery Research, Lankenau Institute for Medical Research, Wynnewood, Pennsylvania.
2 Department of Cardiology, University General Hospital of Larissa, University of Thessaly, Larissa, Greece.
3 Medical School, European University Cyprus, Nicosia, Cyprus.
4 Division of Cardiovascular Diseases, University of Iowa Hospitals and Clinics, Iowa City, Iowa.
5 Department of Cardiovascular Medicine, Heart, Vascular and Thoracic Institute, Kaufman Center for Heart Failure Treatment and Recovery, Cleveland Clinic, Cleveland, Ohio.