Affiliation: | a Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha, NE 68198, USAb Department of Pediatrics, University of Nebraska Medical Center, Omaha, NE 68198, USAc Department of Orthopaedic Surgery, University of Nebraska Medical Center, Omaha, NE 68198, USAd Department of Radiology, University of Nebraska Medical Center, Omaha, NE 68198, USAe Department of Pediatrics, University of Cincinnati, Cincinnati, OH 45229, USA |