1. Laboratory of Experimental Endocrinology, Institut de Recerca, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
2. Department of Pathology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
3. Department of Endocrinology and Nutrition and Laboratory of Experimental Endocrinology, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
4. Universitat Autònoma de Barcelona, Barcelona, Spain.
5. Department of Pathology and Molecular Genetics, Hospital Universitari Arnau de Vilanova, Lleida, Spain.