1. Therapeutic Improvement Center, State Medical Institute of the Ministry of Interior and Administration, Warsaw, Poland; WARSAW COLLEGE OF HEALTH AND ENGINEERING, WARSAW, POLAND
2. WARSAW COLLEGE OF HEALTH AND ENGINEERING, WARSAW, POLAND; DERMATOLOGY CLINIC, STATE MEDICAL INSTITUTE OF THE MINISTRY OF INTERIOR AND ADMINISTRATION, WARSAW, POLAND
3. DERMATOLOGY CLINIC, STATE MEDICAL INSTITUTE OF THE MINISTRY OF INTERIOR AND ADMINISTRATION, WARSAW, POLAND