A Study to Assess the Genetic Variations in Bile Flow Disorders: Linking Progressive Familial Intrahepatic Cholestasis (PFIC)-Related Genes to Symptoms in Adults With Recurrent Cholestasis in Spain

H. Clinic (first CEIm), Barcelona, Spain

H. Vall Hebron, Barcelona, Spain

H. Reina Sofía, Córdoba, Spain

H. Dr. Negrín, Las Palmas, Spain

H. Gregorio Marañón, Madrid, Spain

Hospital Universitario La Paz, Madrid, Spain

H. Virgen del Rocío, Seville, Spain

H. La Fe, Valencia, Spain

H. Río Hortega, Valladolid, Spain

H. Miguel Servet, Zaragoza, Spain