1. Department of Endocrinology, Hospital Universitari de Bellvitge Barcelona Spain
2. Department of Biochemistry and Molecular Genetics, CDB, Hospital Clinic Barcelona Spain
3. Department of Pathology, Hospital Universitari de Bellvitge Barcelona Spain
4. Institute of Sanitary Research of Asturias, Institute of Oncology of Asturias (IUOPA), CIBERONC, Hospital Central de Asturias Universidad de Oviedo Oviedo Spain
5. Hereditary Endocrine Cancer Group, Spanish National Cancer Centre Madrid Spain
6. Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER) Madrid Spain