[1] Texas A&M Univ, Coll Med, Dept Pediat, College Stn, TX 77843 USA
[2] Texas A&M Univ, Coll Architecture, Dept Landscape Architecture & Urban Planning, College Stn, TX 77843 USA
[3] Texas Childrens Hosp, Baylor Coll Med, Childrens Nutr Res Ctr, Dept Pediat, Houston, TX 77030 USA
[4] Texas Childrens Hosp, Baylor Coll Med, Dept Psychiat, Houston, TX 77030 USA
[5] Texas Childrens Hosp, Baylor Coll Med, Dept Pediat, Houston, TX 77030 USA
[6] Cincinnati Childrens Hosp Med Ctr, Div Gastroenterol Hepatol & Nutr, Cincinnati, OH 45229 USA
[7] Wright State Univ, Dayton Childrens Hosp, Div Pediat Gastroenterol, Dayton, OH 45435 USA
[8] Univ Michigan, CS Mott Childrens Hosp, Div Pediat Gastroenterol, Ann Arbor, MI 48109 USA
[9] Univ Texas Southwestern Med Sch, Childrens Med Ctr Dallas, Div Pediat Gastroenterol, Dallas, TX USA
[10] Harvard Med Sch, Boston Childrens Hosp, Ctr Motil & Funct Gastrointestinal Disorders, Boston, MA USA
[11] Childrens Hosp Colorado, Div Gastroenterol Hepatol & Nutr, Aurora, CO USA
[12] Northwestern Univ, Feinberg Sch Med, Lurie Childrens Hosp Chicago, Div Gastroenterol Hepatol & Nutr, Chicago, IL 60611 USA
[13] Ohio State Univ, Nationwide Childrens Hosp, Div Digest Dis Hepatol & Nutr, Columbus, OH 43210 USA
[14] Texas A&M Univ, Dept Psychol, College Stn, TX 77843 USA
[15] Childrens Med Ctr, Div Pediat Pulmonol, Dallas, TX 75235 USA
[16] Univ Fed Minas Gerais, Fac Dent, Dept Pediat Dent & Orthodont, Belo Horizonte, MG, Brazil
[17] Univ Utah, Primary Childrens Hosp, Dept Pediat Gastroenterol, Salt Lake City, UT USA