[1] IDIBAPS, Ctr Biomed Res Resp Dis Network CIBERES, Barcelona, Spain
[2] Univ Continental, Fac Ciencias Salud, Huancayo, Peru
[3] Vall Hebron Univ Hosp, Vall Hebron Inst Res VHIR, Ctr Invest Biomed Red Enfermedades Hepat & Digest, Internal Med Dept,Liver Unit, Barcelona, Spain
[4] Continental Univ Florida, Hlth Serv Adm, Margate, FL USA
[5] Univ Barcelona, IDIBAPS Hosp Clin Barcelona, C Villarroel 170, Barcelona 08036, Spain