1. ENT and Cervicofacial Surgery Department, Fundación Jiménez Diaz University Hospital, Madrid, Spain
2. Endocrinology Department, Fundación Jiménez Diaz University Hospital, Madrid, Spain
3. Universidad Autónoma de Madrid, Madrid, Spain
4. Instituto de Investigación Sanitaria, Research Unit, Fundación Jiménez Diaz University Hospital, Madrid, Spain