1. Department of Internal Medicine I, University Hospital Aachen, RWTH Aachen University , Pauwelsstraße 30, D-52074 Aachen , Germany
2. Trillium Health Partners and Unity Health Toronto, Department of Medicine, University of Toronto , 507-2300 Eglinton Avenue West, Mississauga, Ontario L5M 2V8 , Canada
3. Department of Medicine, Division of Nephrology, Indiana University School of Medicine and Richard L. Roudebush VA Medical Center , 1481 West 10th St, 111N Indianapolis, IN 46202 , USA
4. Division of Cardiology Advanced Heart Failure & Transplantation, Duke Clinical Research Institute , 40 Duke Medicine CircleClinic 2K Room 2250, Orange Zone Durham, NC 27710 , USA
5. Division of Cardiology, Duke University School of Medicine , 40 Duke Medicine CircleClinic 2K Room 2250, Orange Zone Durham, NC 27710 , USA
6. Department of Cardiology, University of Jordan , Amman PO Box 815447 , Jordan