1. Department of Medicinal and Cosmetic Natural Products; Poznan University of Medical Sciences; Poznan Poland
2. Department of Cosmetology; University of Social Sciences; Lodz Poland
3. Section of Mathematical and Statistical Methods; Poznan University of Life Sciences; Poznan Poland
4. Chair and Clinic of Dermatology; Poznan University of Medical Sciences; Poznan Poland
5. Diagnostic Center of Melanocytic Nevi; Poznan Poland