[1] Catholic Univ Cordoba Argentina, Res Resp Med, Fac Med, RA-5000 Esg Cordoba, Argentina
[2] Univ Genoa, Resp Dis & Allergy, IRCCS AOU San Martino IST, Genoa, Italy
[3] Ain Shams Univ, Fac Med, Otorhinolaryngol, Cairo 11341, Egypt
[4] Ayre Fdn, Res & Educ, Salta, Argentina
[5] Univ Catolica Cordoba, Cordoba, Argentina
[6] Cent Univ Venezuela, Fac Med, Clin Immunol, Caracas 1060, Venezuela
[7] Univ Sao Paulo, Fac Med, Dept Clin Med 24, Sao Paulo, SP, Brazil
[8] Sanofi, Dept Allergy, Consumer Hlth Care, F-75014 Paris, France
[9] Hosp Univ Puebla, Pediat Allergy & Immunol Dept, Puebla 72220, Mexico
[10] Al Zahra Hosp, Sharjah, U Arab Emirates