Variation in Cardiac Rehabilitation for Pediatric Ventricular Assist Device Recipients Across North America. - Burstein DS; McBride M; Lorts A; Rosenthal D; Peng DM; Lantz J; Tunuguntla H; Zinn M; Curran T; Wittekind S (ASAIO journal (American Society for Artificial Internal Organs : 1992), 2021)