1 Division of Pediatric Critical Care Medicine, Department of Pediatrics, Emory University School of Medicine, Children's Healthcare of Atlanta (PP Kamat), Atlanta, Ga. Electronic address: pradip.kamat@choa.org.
2 Division of Pediatric Emergency Medicine, Departments of Pediatrics and Emergency Medicine, Emory University School of Medicine, Children's Healthcare of Atlanta (HK Simon and C Sulton), Atlanta, Ga.
3 Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Charlotte R. Bloomberg Children's Center (SR Kudchadkar), Baltimore, Md; Department of Pediatrics, Johns Hopkins University School of Medicine, Charlotte R. Bloomberg Children's Center (SR Kudchadkar), Baltimore, Md; Department of Physical Medicine and Rehabilitation, Johns Hopkins University School of Medicine, Charlotte R. Bloomberg Children's Center (SR Kudchadkar), Baltimore, Md.
4 Yerkes National Primate Research Center, Emory University, Atlanta, GA USA, Department of Pediatrics, Emory University School of Medicine, Atlanta, Ga.