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Ivelina A. Yordanova
Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University‒ Pleven 1, St. Kliment Ohridski Str. Pleven, 5800, Bulgaria
Desislava D. Tsvetanova
Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University Pleven, Bulgaria
Diana D. Strateva
Department of Obstetrics and Gynecology, Faculty of Medicine, Medical University Pleven, Bulgaria
Pavlina D. Yordanova-Laleva
Medical Diagnostic Clinical Laboratory, University Hospital“Dr. G. Stranski” Pleven, Bulgaria
Dimitar K. Gospodinov
Department of Dermatology, Venereology and Allergology, Faculty of Medicine, Medical University Pleven, Bulgaria