Hypersensitivity, Immediate

• Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute — Vancouver, British Columbia, Canada
• University of British Columbia — Vancouver, British Columbia, Canada

• University of Alabama at Birmingham, Lung Health Center — Birmingham, Alabama, United States

• Research Site — Berlin, Germany

• Massachusetts General Hospital — Boston, Massachusetts, United States

Not specified

• Human Research Laboratory- University of Miami School of Medicine — Miami, Florida, United States

• Birmingham, Alabama, United States
• Fort Smith, Arkansas, United States
• Rogers, Arkansas, United States
• Clovis, California, United States

Not specified

• GSK Investigational Site — Fort Smith, Arkansas, United States
• GSK Investigational Site — Fresno, California, United States
• GSK Investigational Site — Irvine, California, United States
• GSK Investigational Site — Los Angeles, California, United States

• Institute of Biomedicine and Molecular Immunology (IBIM), National Research Council — Palermo, Sicily, Italy
• Institute of Biomedicine and Molecular Immunology, IBIM — Palermo, Italy