Pediatr Infect Dis J 2014 Oct;33(10):e247-51
From the *The Stavros Niarchos Foundation-Collaborative Center for Clinical Epidemiology and Outcomes Research (CLEO), University of Athens School of Medicine; †Pediatric Intensive Care Unit; ‡Second Department of Pediatrics, University of Athens, Aglaia Kuriakou Children's Hospital, Athens, Greece; and §Division of Infectious Diseases, Department of Pediatrics, Children's Hospital of Philadelphia, UPENN School of Medicine, Philadelphia, PA.