1. Departments of Health Economics; Corvinus University of Budapest; Fővám tér 8 H-1093 Budapest Hungary
2. Semmelweis University Doctoral School of Clinical Medicine; Pf. 2 H-1428 Budapest Hungary
3. Radboud University Medical Centre; PO Box 9101 6500 HB Nijmegen the Netherlands
4. Department of Dermatology, Venereology and Dermatooncology; Semmelweis University; Mária u. 41 H-1085 Budapest Hungary
5. Departments of Marketing Research and Consumer Behaviour; Corvinus University of Budapest; Fővám tér 8 H-1093 Budapest Hungary