[1] Hosp Palamos, Serv Anal Clin, Edificio Fleming,Carrer Hosp 36, Girona 17230, Spain
[2] Hosp Univ Leon, Unidad Invest, Altos Nava S-N, Leon 24080, Spain
[3] Hosp Univ Leon, Serv Microbiol Clin, Altos Nava S-N, Leon 24080, Spain
[4] Hosp Univ Cent Asturias, Serv Microbiol, Unidad Referencia Reg Micobacterias, Avda Roma S-N, Oviedo 33011, Asturias, Spain
[5] Hosp Univ Leon, Serv Anat Patol, Altos Nava S-N, Leon 24080, Spain
[6] Hosp Clin Univ Valladolid, Serv Microbiol, C Ramon Y Cajal 3, Valladolid 47005, Spain
[7] Hosp Univ Leon, Serv Anal Clin, Altos Nava S-N, Leon 24080, Spain
[8] Inst Biomed Res Salamanca IBSAL, Salamanca, Spain
[9] Univ Leon, Inst Biomed, Leon, Spain