528Evaluating Risk Factors for Clostridium difficile Infection in Adult and Pediatric Hematopoietic Cell Transplant Recipients. (December 2014) - Boyle, Nicole; Podczervinski, Sara; Morrison, Alex; Butler-Wu, Susan; Zerr, Danielle; Rogers, Karin; Stednick, Zach; Magaret, Amalia; Wald, Anna; Pergam, Steven