[1] Univ Autonoma Madrid, Hosp Univ La Princesa, Med, Madrid, Spain
[2] Hosp Univ La Princesa, Unidad Anal Datos, Madrid, Spain
[3] Univ Alcala, Farm, Alcala De Henares, Spain
[4] Univ San Pablo CEU, IMMA, Med, Madrid, Spain
[5] Univ Autonoma Madrid, Hosp Univ La Princesa, CIBERehd, Madrid, Spain
[6] Hosp Univ La Princesa, Madrid, Spain
[7] Hosp Univ La Princesa, CIBERehd, Med, Madrid, Spain
[8] IBGM, Mucosal Immunolgy Lab, Valladolid, Spain