[1] Univ Complutense Madrid, Dpto Bioquim & Biol Mol 1, Madrid, Spain
[2] UPM, INIA, Ctr Biotecnol & Genom Plantas, Madrid, Spain
[3] ALK Abello, Madrid, Spain
[4] Kings Coll London, Guys Hosp, Peter Gorer Dept Immunobiol, London, England
[5] Hop Univ Strasbourg, Hop Lyautey, Serv Pneumol, Strasbourg, France