[1] Univ Especialidades Espiritu Santo, Samborondon, Ecuador
[2] Respiralab Res Grp, Respiralab, Guayaquil, Ecuador
[3] Louis Pradel Hosp, Reference Ctr Rare Pulm Dis, Lyon, France
[4] Hosp Metropolitano, Quito, Ecuador
[5] Univ Tecnol Equinoccial, Fac Ciencias Salud Eugenio Espejo, Ctr Invest Salud Publ & Epidemiol Clin, Quito, Ecuador
[6] Hosp Britanico, Buenos Aires, DF, Argentina
[7] Sanatorio Guemes Hosp Privado, Buenos Aires, DF, Argentina
[8] Heidelberg Univ, Heidelberg, Germany