1. Department of Organization and Economics of Pharmacy, Faculty of Pharmacy, Medical University of Sofia, Sofia, Bulgaria
2. National Council on Prices and Reimbursement of Medicinal Products, Sofia, Bulgaria
3. Medical oncology, University Hospital Acibadem City Clinic Tokuda, Sofia, Bulgaria
4. Specialized Hospital for Active Treatment of Oncological Diseases Ltd, Sofia, Bulgaria
5. Acibadem City Clinic Mladost Hospital, Sofia, Bulgaria
6. Sqilline, Sofia, Bulgaria
7. Hemetsberger Medical Services, Vienna, Austria
8. Department of Communication, Faculty of Journalism, Sofia University ‘St. Kliment Ohridski’, Sofia, Bulgaria