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Ju. Ananiev
Department of General and Clinical Pathology, Medical Faculty, Trakia University – Stara Zagora
Iv. Vassilev
Department of General and Clinical Pathology, Medical Faculty, Trakia University – Stara Zagora
G. Arabadjiev
Department of Anesthesiology and Intensive Care Medicine, University Hospital, Medical Faculty, Trakia University – Stara Zagora
V. Ramdan
Department of Anesthesiology and Intensive Care Medicine, University Hospital, Medical Faculty, Trakia University - Stara Zagora
A. Chokoeva
Onkoderma Policlinic for Dermatology and Dermatologic Surgery – Sofia, Bulgaria
G. Tchernev
Policlinic for Dermatology and Venereology, University Hospital Lozenetz Academic Educational Hospital of The Saint Kliment Ohridski University – Sofia
U. Wollina
Department of Dermatology & Allergology, Hospital Dresden-Friedrichstadt Academic Teaching Hospital of the Technical University – Dresden, Germany