[1] Digest Hlth Inst, Sect Pediat Gastroenterol Hepatol & Nutr, Aurora, CO USA
[2] Childrens Hosp Colorado, Gastrointestinal Eosinophil Dis Program, Aurora, CO 80045 USA
[3] Univ Colorado, Sch Med, Dept Pediat, Aurora, CO USA
[4] Childrens Hosp Colorado, Sect Allergy & Immunol, Aurora, CO 80045 USA