[1] Primary Care Management Santa Cruz De Tenerife, Family & Community Care Unit La Laguna, Tenerife, Spain
[2] Univ Hosp Canary Isl, Gastroenterol & Hepatol Dept, Tenerife, Spain
[3] Univ La Laguna, Inst Biomed Technol, Tenerife, Spain
[4] Univ La Laguna, Canarian Biomed Res Ctr, Dept Internal Med Psychiat & Dermatol, Tenerife, Spain