1. 1 Private Medical Practice - Alexandra Crișan , Bucharest , Romania
2. 2 Bucharest Emergency University Hospital , Romania
3. 3 “Carol Davila” University of Medicine and Pharmacy , Bucharest , Romania
4. 4 Ion Stoia Center of Rheumatic Diseases , Bucharest , Romania
5. 5 “Prof. Dr. Agrippa Ionescu” Emergency Clinical Hospital , Bucharest , Romania