1. Diabetes Department, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
2. “Nicolae Malaxa” Clinica Hospital, 022441 Bucharest, Romania
3. “Doctor Carol Davila” Central Military University Emergency Hospital, 010825 Bucharest, Romania
4. “Marius Nasta” Institute of Pneumophysiology, 050159 Bucharest, Romania