1. Department of Biological Sciences, Faculty of Science, University of Maroua, Maroua P.O. Box 814, Cameroon
2. Laboratory of Physical Chemistry of Processes and Materials, Faculty of Sciences and Techniques, Hassan First University, B.P. 539, Settat P.O. Box 26000, Morocco
3. Preclinical Department, Apollonia University, Păcurari Street 11, 700511 Iași, Romania
4. Center of Biomedical Research of the Romanian Academy, 700506 Iasi, Romania
5. Department of Biology, Faculty of Biology, Alexandru Ioan Cuza University, 11 Carol I Blvd., 700505 Iasi, Romania