1. Department of Rheumatology and Internal Medicine, “Sfanta Maria” Hospital, Bulevardul Ion Mihalache nr 37-39, 011172 Bucharest, Romania
2. “Carol Davila” University of Medicine, Bucharest, Romania
3. Biology Faculty, Bucharest University, Bucharest, Romania
4. Biology Faculty, “Alexandru Ioan Cuza” University, Iasi, Romania