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Carrington MJ, Chan YK, Calderone A, Scuffham PA, Esterman A, Goldstein S, Stewart S; Young at Heart Investigators.Carrington MJ, et al. Among authors: scuffham pa.Circ Cardiovasc Qual Outcomes. 2013 Jul;6(4):379-89. doi: 10.1161/CIRCOUTCOMES.111.000006. Epub 2013 Jul 2.Circ Cardiovasc Qual Outcomes. 2013.PMID: 23819955Clinical Trial.