1 Peter O'Donnell Jr. School of Public Health, University of Texas Southwestern Medical Center, Dallas, Texas; Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas; Children's Health System of Texas, Dallas, Texas.
2 University of Texas Health Science Center at Houston, School of Public Health, Houston, Texas.
3 Dewitt Daughtry Family Department of Surgery, University of Miami Miller School of Medicine, Miami, Florida.
4 Department of Pediatrics, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York.
5 Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas; Children's Health System of Texas, Dallas, Texas.