Department of Emergency Medicine, University of California, Davis, Sacramento, California. Electronic address: dnishijima@ucdavis.edu.

Department of Pediatrics, University of California, Davis, Sacramento, California.

Departments of Pediatrics and Emergency Medicine, University of Colorado, Aurora, Colorado.

Department of Pediatrics, University of Buffalo, Buffalo, New York.

Children’s Hospital of Los Angeles and Department of Pediatrics, Keck School of Medicine of the University of Southern California, Los Angeles, California.

Department of Pediatrics, Cohen Children’s Medical Center, Zucker School of Medicine – Hofstra University, New Hyde Park, New York.

Nationwide Children’s Hospital and Department of Pediatrics, The Ohio State University, Columbus, Ohio.

Departments of Emegency Medicine and Pediatrics, University of Buffalo, Buffalo, New York.

Nationwide Children’s Hospital and Department of Pediatrics, The Ohio State University, Columbus, Ohio.

Department of Pediatrics, University of Texas Southwestern, Dallas, Texas.

Children’s Hospital of Los Angeles and Department of Pediatrics, Keck School of Medicine of the University of Southern California, Los Angeles, California; Department of Emergency Medicine, Atrium Health’s Carolinas Medical Center, Charlotte, North Carolina.

Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio.

Department of Pediatrics, Division of Emergency Medicine, Baylor College of Medicine, Houston, Texas.

Departments of Pediatrics and Emergency Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin.