1. Faculty of Medicine, Ivane Javakhishvili Tbilisi State University (TSU), Tbilisi, Georgia
2. Department of Gerontology and Palliative Care, Al. Natishvili Institute of Morphology, TSU, Tbilisi, Georgia
3. Georgian National Association for Palliative Care, Tbilisi, Georgia
4. Infectious Diseases, AIDS and Clinical Immunology Research Center, Tbilisi, Georgia