| Affiliation: | 1. Division of Advanced General Pediatrics and Primary Care, Department of Pediatrics, Ann & Robert H. Lurie Children’s Hospital of Chicago and Northwestern University Feinberg School of Medicine, 225 East Chicago Avenue, Box 162, Chicago, IL 60611, USA;2. Department of Pediatrics, Seattle Children''s, 4800 Sand Point Way NE, RB.2.401, Seattle, WA 98105, USA;3. Department of Family and Community Medicine, Hennepin Healthcare, 516 Delaware Street SE, Minneapolis, MN 55455, USA;4. Department of Family and Community Medicine, University of Minnesota, 1600 7th Avenue South, CPP1 310, Birmingham, AL 35233, USA;5. Division of Adolescent Medicine, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, AL, USA |
