Lisa M. Ingerski, Avani C. Modi, Korey K. Hood, Ahna L. Pai, Meg Zeller, Carrie Piazza-Waggoner, Kimberly A. Driscoll, Marc E. Rothenberg, James Franciosi, Kevin A. Hommel
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Author manuscript; available in PMC 2011 June 15.Published in final edited form as: J Pediatr. 2010 April; 156(4): 639–644. Published online 2010 February 1. doi: 10.1016/j.jpeds.2009.11.008