Hypersensitivity, Immediate

• Mercy Women's Hospital — Heidelberg, Victoria, Australia
• Frances Perry Private Hospital — Parkville, Victoria, Australia
• Murdoch Children's Research Institute — Parkville, Victoria, Australia
• Royal Women's Hospital — Parkville, Victoria, Australia

Not specified

• Haukeland University Hospital — Bergen, Norway

• National Jewish Health — Denver, Colorado, United States

• Karolinska Institutet — Stockholm, Sweden

• Oslo University Hospital and University of Oslo — Oslo, Norway