1. Sections of Clinical Pharmacology and Toxicology, University of Arkansas for Medical Sciences and Arkansas Children's Hospital, Little Rock, Arkansas
2. Emergency Medicine, University of Arkansas for Medical Sciences and Arkansas Children's Hospital, Little Rock, Arkansas
3. Department of Pediatrics, University of Arkansas for Medical Sciences and Arkansas Children's Hospital, Little Rock, Arkansas, and the Section of Pediatric Clinical Pharmacology and Experimental Therapeutics
4. Neonatology, University of Arkansas for Medical Sciences and Arkansas Children's Hospital, Little Rock, Arkansas
5. College of Pharmacy, University of Arkansas for Medical Sciences and Arkansas Children's Hospital, Little Rock, Arkansas
6. Departments of Pediatrics and Pharmacology, University of Missouri‐Kansas City and Children's Mercy Hospital, Kansas City, Missouri