Affiliation: | [1]Division of Cell Biology, Medical University, Vama, Bulgaria [2]Institute of Neurobiology and Molecular Medicine, National Research Council and Rita Levi-Montalcini European Brain Research Institute Rome, Italy [3]Department of Endocrinology, Medical Center, Asparuhovo, Vama, Bulgaria [4]Third Clinic of Cardiology, Intensive Cardiac Care Unit, University St Marina Hospital, Vama, Bulgaria |