RT Journal T1 AMaryllis JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2009 FD March 2 VO 163 IS 3 SP 197 OP 197 DO 10.1001/archpedi.163.3.197 UL http://dx.doi.org/10.1001/archpedi.163.3.197 AB Photographer: Jan Goddard-Finegold, Houston, Texas, June 2007.