[1] Hosp Italiano Buenos Aires, Pediat & Adult Allergy Sect, Buenos Aires, DF, Argentina
[2] Univ N Carolina, Chapel Hill, NC 27515 USA
[3] Hosp Quironsalud Bizkaia, Dept Allergy & Immunol, Bilbao, Spain
[4] Univ Autonoma Nuevo Leon, Hosp Univ Dr Jose Eleuterio Gonzalez, Reg Ctr Allergy & Clin Immunol, Monterrey, Nuevo Leon, Mexico
[5] Univ Autonoma Nuevo Leon, Fac Med, Monterrey, Nuevo Leon, Mexico
[6] Polytech Univ Marche, Dept Clin & Mol Sci, Ancona, Italy
[7] Univ Hosp Ancona, Dept Internal Med, Allergy Unit, Ancona, Italy
[8] Hosp Valle De Hebron, Serv Med Interna, Secc Alergia, Barcelona, Spain
[9] Ajou Univ, Med Ctr, Dept Allergy & Clin Immunol, Seoul, South Korea
[10] Ctr Med Docente Trinidad, Allergy & Clin Immunol, Caracas, Venezuela
[11] Clin El Avila, Caracas, Venezuela
[12] InAER Invest Enfermedades Alerg & Resp, Buenos Aires, DF, Argentina