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Jesse D. Schold, PhD, of the University of Colorado Anschutz Medical Campus, Aurora, Colorado, raises concerns about other aspects of the heart allocation system in another related commentary. "One big issue with our data in transplantation…is that while it is very comprehensive for capturing transplant candidates and recipients, there is no data collection for patients and processes of care for patients prior to wait list placement," he told theheart.org | Medscape Cardiology.