[1] Nino Jesus Univ Childrens Hosp, Dept Allergy, Madrid, Spain
[2] Res Network ARADyAL RD16 0006 0026, Madrid, Spain
[3] Hosp Univ Donostia, Dept Allergy, Guipuzcoa, Spain
[4] Hosp Univ Infanta Elena, Dept Allergy, Valdemoro, Spain
[5] Fdn Jimenez Diaz, Inst Invest Sanitaria, Madrid, Spain
[6] Univ Reg Hosp, Allergy Dept, Children Hosp, Malaga, Spain
[7] Hosp La Paz, Inst Hlth Res, Dept Allergy, Madrid, Spain
[8] Complejo Hosp Navarra, Serv Alergol, Pamplona, Spain
[9] Hosp Univ Vall dHebron, Unitat Allergol Pediat, Barcelona, Spain
[10] Inst Recerca Vall dHebron, Grp Creixement & Desenvolupament, Barcelona, Spain
[11] Hosp Univ Fuenlabrada, Allergy Unit, Madrid, Spain
[12] Hosp Univ Fdn Alcorcon, Unidad Alergia, Madrid, Spain
[13] Torrejon Univ Hosp, Dept Allergy, Madrid, Spain
[14] Rincon Hlth Grp, Dept Allergy, Malaga, Spain
[15] Hosp Infanta Sofia, Serv Alergol, SS Reyes, Madrid, Spain
[16] Complejo Hosp Univ Albacete, Serv Alergol, Albacete, Spain
[17] Hosp Gen La Mancha Ctr, Dept Allergy, Ciudad Real, Spain
[18] Complejo Asistencial Univ Salamanca, Dept Allergy, Salamanca, Spain
[19] Hosp Tajo, Dept Allergy, Aranjuez, Spain
[20] Xarxa Santa Tecla, Allergy Unit, Tarragona, Spain
[21] Univ Gen Hosp, Dept Allergy, Valencia, Spain
[22] Fdn Jimenez Diaz, Dept Allergy, Madrid, Spain
[23] Fac Univ Autonoma Madrid, Madrid, Spain
[24] HUA, Dept Allergy, Inst Bioaraba, Vitoria, Spain