Georgi Tchernev, Onkoderma-Clinic for Dermatology, Venereology and Dermatologic Surgery; Department of Dermatology and Venereology, Medical Institute of Ministry of Interior, Sofia, Bulgaria Lorraine Joseph Kandathil, Onkoderma - Clinic for Dermatology, Venereology and Dermatologic Surgery, Onkoderma - Clinic for Dermatology, Venereology and Dermatologic Surgery, General Skobelev 26, Sofia, Bulgaria Nikhil Oliveira, Onkoderma - Clinic for Dermatology, Venereology and Dermatologic Surgery, Onkoderma - Clinic for Dermatology, Venereology and Dermatologic Surgery, General Skobelev 26, Sofia, Bulgaria