1. “Nicolae Malaxa” Clinical Hospital , Bucharest , Romania
2. “C.I. Parhon” National Institute of Endocrinology , Bucharest , Romania
3. “Carol Davila” University of Medicine and Pharmacy , Bucharest , Romania
4. University Emergency Hospital , Bucharest , Romania
5. “Grigore Alexandrescu” Children’s Clinical Emergency Hospital , Bucharest , Romania
6. “Carol Davila” Clinical Military Emergency Hospital , Bucharest , Romania
7. “Dr. Pompei Samarian” County Emergency Hospital , Călăraşi , Romania