1. Department of Endocrinology, University Hospital Son Espases, Palma de Mallorca, Spain
2. Department of Pathology, University Hospital Son Espases, Palma de Mallorca, Spain
3. Department of Surgery, Section of Endocrine Surgery, University Hospital Son Espases, Palma de Mallorca, Spain
4. Department of Nuclear Medicine, University Hospital Son Espases, Palma de Mallorca, Spain
5. Department of Endocrinology, University Hospital Son Llatzer, Palma de Mallorca, Spain
6. Department of Endocrinology, Hospital Can Misses, Ibiza, Spain
7. Department of Endocrinology, Hospital de Manacor, Manacor, Spain
8. Department of Endocrinology, Hospital Comarcal de Inca, Inca, Spain
9. Department of Pathology, Hospital Mateu Orfila, Menorca, Spain
10. Department of Laboratory, University Hospital Son Espases, Palma de Mallorca, Spain
11. Department of Maxillofacial Surgery, Hospital Puerta del Mar, Cádiz, Spain