Rhinitis, Allergic, Seasonal

• Kanata Allergy Services — Kanata, Ontario, Canada
• Kingston General Hospital — Kingston, Ontario, Canada
• Cheema Research Inc — Mississauga, Ontario, Canada
• Ottawa Allergy Research Corp — Ottawa, Ontario, Canada

• Hospital de La Agencia Valenciana de Salud Vega Baja — Orihuela, Alicante, Spain
• Hospital Clinic de Barcelona — Barcelona, Spain

• Aarhus University, School of Public Health, Department of Environmental & Occupational Medicine — Aarhus C, Denmark

• Aarhus University, School of Public Health, Department of Environmental & Occupational Medicine — Aarhus, Denmark

Not specified

• The University of Chicago — Chicago, Illinois, United States

• Yonsei University college of Medicine, Gangnam Severance Hospital — Seoul, South Korea

• Allergopharma Joachim Ganzer KG — Reinbek, Germany

• GSK Investigational Site — Seongnam-si Gyeonggi-do, South Korea

• Universitätsklinikum Carl-Gustav-Carus, Dresden, Germany — Dresden, Germany