1. Department of Pharmacy, University of Patras, Patras, Greece.
2. Department of Skin and Venereal Diseases, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece.
3. Plant Protection Division of Patras, Institute of Industrial and Forage Plants N.E.O & Amerikis, Patras, Greece.
4. First Department of Dermatology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
5. Department of Hygiene, Epidemiology and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
6. Department of Sociology, Panteion University, Athens, Greece.
7. Department of Microbiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.