Rhinitis, Allergic, Seasonal

• The First Affiliated Hospital of Bengbu Medical College — Bengbu, Anhui, China
• The Second Hospital of Anhui Medical University — Hefei, Anhui, China
• Beijing Shijitan Hospital — Beijing, Beijing Municipality, China
• Beijing TongRen Hospital — Beijing, Beijing Municipality, China

• Allergic Unit at the Department of Oto-Rhino-Laryngology at Skåne University Hospital Lund — Lund, Sweden
• ENT-department, Karolinska University Hospital Huddinge (ENT-department B51) — Stockholm, Sweden

• Virtual Facility — The Bronx, New York, United States

• National Institutes of Health Clinical Center — Bethesda, Maryland, United States

• Department of Pulmonary Diseases and Children Rheumatology, Medical University of Lublin — Lublin, Poland

• Department of Pulmonary Diseases and Children Rheumatology, Medical University of Lublin — Lublin, Poland

• Second University — Naples, Italy

• Investigational Site 2 — Beijing, Beijing Municipality, China
• Investigational Site 3 — Beijing, Beijing Municipality, China
• Investigational Site 4 — Beijing, Beijing Municipality, China
• Investigational Site 5 — Beijing, Beijing Municipality, China

• Inflamax Research — Mississauga, Ontario, Canada

Not specified