[1] Hosp Univ Severo Ochoa, Madrid, Spain
[2] Univ Autonoma Madrid, Fac Psychol, Madrid, Spain
[3] Hosp Univ Fdn Alcorcon, Madrid, Spain
[4] Hosp La Paz Inst Hlth Res IdiPaz, Dept Allergy, Madrid, Spain
[5] Hosp La Paz Inst Hlth Res IdiPaz, Res Unit, Madrid, Spain
[6] Med Univ Graz, Dept Dermatol & Venereol, Graz, Austria
[7] San Fernandos Hosp, Inst Pneumol & Allergy, Panama City, Panama
[8] Univ Toronto, Div Clin Immunol & Allergy, Toronto, ON, Canada
[9] Grenoble Univ Hosp, Natl Reference Ctr Angioedema, Dept Internal Med, Grenoble, France
[10] Odense Univ Hosp, Dept Dermatol, Denmark HAE Ctr, DK-5000 Odense, Denmark
[11] Odense Univ Hosp, Allergy Ctr, DK-5000 Odense, Denmark
[12] Semmelweis Univ, Dept Internal Med 3, Hungarian HAE Ctr, H-1085 Budapest, Hungary
[13] Univ Sao Paulo, Sch Med, Dept Dermatol, Sao Paulo, Brazil
[14] Univ Sts Cyril & Methodius, Sch Med, Dept Dermatol, Unit Allergol & Clin Immunol, Skopje, Macedonia
[15] Univ Amsterdam, Acad Med Ctr, Dept Internal Med, NL-1105 AZ Amsterdam, Netherlands
[16] Barts Hlth NHS Trust, London, England
[17] British Hosp Buenos Aires, Buenos Aires, DF, Argentina
[18] Mures Cty Hosp, Dept Allergol Immunol, Targu Mures, Romania
[19] Jagiellonian Univ, Dept Clin & Environm Allergol, Krakow, Poland
[20] Chaim Sheba Med Ctr, Allergy Clin Immunol & Angioedema Unit, IL-52621 Tel Hashomer, Israel
[21] Johannes Gutenberg Univ Mainz, Univ Med Ctr, Dept Dermatol, D-55122 Mainz, Germany
[22] Luigi Sacco Hosp, Dept Internal Med, Milan, Italy
[23] Beijing Union Med Coll Hosp, Beijing, Peoples R China
[24] CIBERER, U754, Biomed Res Network Rare Dis, Madrid, Spain