1. Department of Clinical and Experimental Medicine; University of Messina, Via Consolare Valeria; 98125 Messina Italy
2. Operative Unit of Allergy and Clinical Immunology; Azienda Ospedaliera Universitaria Policlinico ‘G. Martino’, Via Consolare Valeria; 98125 Messina Italy
3. Division of Pharmacognosy & Chemistry of Natural Products, Department of Pharmacy; University of Athens; 157 71 Zografou, Athens Greece
4. Institute of Clinical Physiology; IFC CNR, Messina Unit, Via Consolare Valeria; 98125 Messina Italy
5. BoDD - Botanical Dermatology Database; Penarth UK