1 Division of General Pediatrics, Department of Pediatrics, Johns Hopkins School of Medicine (M Jindal), Baltimore, Md. Electronic address: Mjindal2@jhmi.edu.
2 Division of Academic General Pediatrics, Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago and Northwestern University Feinberg School of Medicine (N Heard-Garris), Chicago, Ill; Mary Ann & J. Milburn Smith Child Health Outreach, Research, and Advocacy Center, Stanley Manne Children's Research Institute, Ann and Robert H. Lurie Children's Hospital of Chicago (N Heard-Garris), Chicago, Ill.
3 Division of General Pediatrics, Department of Pediatrics, Oregon Health & Science University (A Empey and KE Zuckerman), Portland, Ore.
4 Division of Developmental-Behavioral Pediatrics, Floating Hospital for Children, Tufts Medical Center (EC Perrin), Boston, Mass.
5 Department of Emergency Medicine, University of California, Davis (TJ Johnson), Sacramento, Calif.