1. Department of Endocrinology, Erciyes University Medical School, Kayseri, Turkey.
2. Endocrinology, Department of Cardiothoracic and Respiratory Sciences, Second University of Naples, Italy.
3. Department of Neurosurgery, Erciyes University Medical School, Kayseri, Turkey.
4. Allergy and Immunology, Department of Clinical and Experimental Medicine and Surgery, Second University of Naples, Italy.
5. Department of General Pathology, Second University of Naples, Italy.
6. Department of Medicine, School of Medicine and Complejo Hospitalario Universitario de Santiago, Santiago de Compostela University, Santiago de Compostela, Spain.