[1] Espiritu Santo Univ, Respiralab, Guayaquil, Ecuador
[2] Charite, Berlin, Germany
[3] Inst Alergia & Inmunol Sur, Bahia Blanca, Buenos Aires, Argentina
[4] Univ Sao Paulo, Sao Paulo, Brazil
[5] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil
[6] Clin San Felipe, Jesus Maria, Peru
[7] Hosp Angeles Mocel, Lima, Mexico
[8] Hosp Italiano Buenos Aires, Ciudad De Mexico, Argentina
[9] Espiritu Santo Univ, Respiralab, Buenos Aires, Ecuador
[10] Espiritu Santo Univ, Respiralab, Samborondon, Ecuador
[11] Respiralab, Samborondon, Ecuador
[12] Univ Hosp, Dept Dermatol, Guayaquil, Germany
[13] Heidelberg Univ, Rostock, Germany
[14] Univ Fed Sao Paulo, Heidelberg, Brazil