1. Department of Endocrinology, ‘C.I. Parhon’ National Institute of Endocrinology, 011863 Bucharest, Romania
2. Department of Neurology, Faculty of Medicine, ‘Titu Maiorescu’ University, 031593 Bucharest, Romania
3. Department of Pathology, ‘Carol Davila’ University of Medicine and Pharmacy, 050474 Bucharest, Romania
4. Department of Neurology, ‘Witting’ Clinical Hospital, 010243 Bucharest, Romania