1. Nicolina Medical Center, Department of Dermatology , Iași , Romania
2. Apollonia University , Iași , Romania
3. “P. Poni” Research Institute, Romanian Academy , Iasi
4. Department of Dermatology, 6th Military Support Unit , Ustka , Poland
5. Department of Dermatology, Provincial Specialist Hospital in Slupsk , Ustka , Poland
6. Institute of Biology and Environmental Protection, Pomeranian Academy , Slupsk , Poland
7. Faculty of Mathematics and Natural Sciences, Institute of Biology and Environmental Protection, Pomeranian Academy , Slupsk , Poland
8. Department of Dermatovenereology , “Nicolae Testemitanu” State University of Medicine and Pharmacy , Chișinău , Republic of Moldova
9. “Grigore T Popa” University of Medicine and Pharmacy , Iași , Romania