1. Department of Pathology, University of Medicine and Pharmacy of Tirgu-Mures, Tirgu-Mures, Romania;
2. Department of Histology, University of Medicine and Pharmacy of Tirgu-Mures, Tirgu-Mures, Romania;
3. Department of Dermato-Physiology, Apollonia University, Iasi, Romania;
4. Department of Dermatology, Nicolina Medical Center, Iasi, Romania;
5. ’P. Poni’ Institute of Macromolecular Chemistry, Iasi, Romania;
6. Department of Pathology, M.D. Anderson Cancer Center, Houston, TX, USA