Affiliations

• ¹ Department of Pediatrics, University of Washington, Seattle, Washington.
• ² Department of Pediatrics, Washington University, Washington, District of Columbia.
• ³ Catholic Health Initiative St. Alexius Health, Minot, North Dakota.
• ⁴ Department of Pediatrics, University of California, San Diego, San Diego, California.
• ⁵ School of Medicine and Public Health, University of Wisconsin, Madison, Wisconsin.
• ⁶ Department of Pediatrics, Yale University, New Haven, Connecticut.
• ⁷ Department of Pediatrics, University of Arizona, Tucson, Arizona.
• ⁸ Department of Pediatrics, University of Louisville, Louisville, Kentucky.
• ⁹ Department of Pediatrics, University of Vermont, Burlington, Vermont.
• ¹⁰ Department of Pediatric Neurology, Boston University, Boston, Massachusetts.
• ¹¹ Universidad Dr. Jose Matias Delgado, Antiguo Cuscatlán, La Libertad, El Salvador; and.
• ¹² Section on International Child Health, American Academy of Pediatrics, Los Altos Hills, California icatch@aap.org.