1. Department of Dermatology; Andrzej Mielęcki Memorial Independent Public Clinical Hospital in Katowice; Katowice Poland
2. Department of Medicine; Adventist Hinsdale Hospital; Hinsdale IL USA
3. Department of General and Endocrine Surgery; School of Medicine in Bytom Division of Dentistry in Zabrze; Medical University of Silesia; Katowice Poland
4. Department of Skin Structural Studies; Chair of Cosmetology; School of Pharmacy with Division of Medicine in Sosnowiec; Medical University of Silesia; Sosnowiec Poland