1. S.C. Ecodet Activ S. R. L, Bucharest, Romania,
2. National Environmental Protection Agency, Bucharest, Romania,
3. Carol Davila University of Medicine and Pharmacy, Bucharest, Romania,
4. Romanian National Sanitary Veterinary and Food Safety Authority, Bucharest, Romania,
5. University "Titu Maiorescu", Bucharest, Romania, and
6. Clinical Hospital Colentina, Bucharest, Romania