[1] Carol Davila Univ Med & Pharm, Dept Diabet Nutr & Metab Dis, 8 Eroii Sanit Blvd, Bucharest 050471, Romania
[2] Prof Dr NC Paulescu Natl Inst Diabet Nutr & Metab, Dept Diabet Nutr & Metab Dis, Bucharest 030167, Romania
[3] Ovidius Univ Constanta, Fac Dent Med, Dept Microbiol & Immunol, 7 Ilarie Voronca St, Constanta 900684, Romania
[4] Carol Davila Univ Med & Pharm, Fac Pharm, Dept Pharmaceut Technol & Biopharm, 6 Traian Vuia St, Bucharest 020945, Romania
[5] Romanian Acad, Ilie Murgulescu Inst Phys Chem, 202 Spl Independentei, Bucharest 060021, Romania
[6] N Malaxa Clin Hosp, Dept Diabet, 12 Vergului St, Bucharest 022441, Romania