Time is of the Essence: A Response to "Impact of Ventricular Assist Device Use on Pediatric Heart Transplant Waitlist Mortality: Analysis of the Scientific Registry of Transplant Recipients Database"
1 Division of Cardiology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.
2 Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA.
3 Leonard Davis Institute of Health Economics, The University of Pennsylvania, Philadelphia, Pennsylvania, USA.
4 Cardiovascular Outcomes, Quality, and Evaluative Research Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania, USA.