Hypersensitivity, Immediate

• University of Arizona (DAIT-ICAC-01/02) — Tucson, Arizona, United States
• National Jewish Medical and Research Center (DAIT-ICAC-01/02) — Denver, Colorado, United States
• Howard University — Washington D.C., District of Columbia, United States
• Children's Memorial Hospital — Chicago, Illinois, United States

• Children's Center for Digestive Health — Atlanta, Georgia, United States
• Northwestern University School of Medicine — Chicago, Illinois, United States
• Riley Hospital for Children — Indianapolis, Indiana, United States
• Mayo Clinic — Rochester, Minnesota, United States

Not specified

Not specified

• Jaqueline Ribas de Melo — São Paulo, Brazil

• MHAT "Tsaritsa Yoanna" — Sofia, Bulgaria
• Semmelweis University — Budapest, Hungary
• Jagiellonian University — Krakow, Poland
• Spitalul Clinic Judeţean Mureş,Secţia Clinică Medicină Internă,Compartimentul Alergologie şi Imunologie — Târgu-Mures, Mureș County, Romania

• GSK Investigational Site — Herston, Queensland, Australia

• Brigham and Women's Hospital — Boston, Massachusetts, United States

• Center for Digestive Diseases Eppendorf — Hamburg, Germany

• GSK Investigational Site — Mobile, Alabama, United States
• GSK Investigational Site — Little Rock, Arkansas, United States
• GSK Investigational Site — Fresno, California, United States
• GSK Investigational Site — Fullerton, California, United States