1. Genetics Service, IDIBAPS Institut d'Investigacions Biomèdiques August Ri i Sunyer), Hospital Clinic and University of Barcelona, Villarroel 170, 08036 Barcelona, Spain.
2. Liver Unit, IDIBAPS, Hospital Clinic and University of Barcelona, Villarroel 170, 08036 Barcelona, Spain.
3. Molecular Laboratory, Unidad Mixta de Investigacíon, Hospital Universitario de Canarias, Spain.
4. Servei de Hemoterapia l Hemostasia, IDIBAPS, Hospital Clinic and University of Barcelona, Villarroel 170, 08036 Barcelona, Spain.