| Affiliation: | 1. International Hellenic University, Department of Supply Chain Management, Katerini, Greece;2. Hellenic Open University, School of Social Sciences, Greece;3. Aristotle University of Thessaloniki, School of Agriculture, Department of Agricultural Economics, University Campus, Thessaloniki, Greece;4. Hellenic Open University, School of Humanities, Greece;5. University of Cassino and Southern Lazio, Department of Economics and Law, Italy;1. Department of Dermatology, University of California San Francisco, San Francisco, CA 94143-0808, USA;2. School of Medicine, Stanford University, Stanford, CA, USA;3. Department of Dermatology, University of California Los Angeles, Los Angeles, CA, USA;4. Department of Dermatology and Philip R Lee Institute for Health Policy Studies, University of California, San Francisco School of Medicine, San Francisco, CA, USA;5. Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA;6. Department of Social and Behavioral Sciences, Harvard School of Public Health, Boston, MA, USA |
