1. Department of Lipid-Protein Interactions, Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Sofia, Bulgaria
2. Department of Cytology, Histology and Embryology, Faculty of Biology, Sofia University, Sofia, Bulgaria
3. Cardiology Clinic, University Hospital “St. Ekaterina”, Sofia, Bulgaria
4. Director STEP/CSTEP, Office of Continuing Education, Suffolk County Community College, Sayville, NY, USA