1. Department of Pathology; University of Medicine and Pharmacy of Tirgu Mures; Tirgu Mures Romania
2. Department of Surgery; University of Medicine and Pharmacy of Tirgu Mures; Tirgu Mures Romania
3. Department of Histology; University of Medicine and Pharmacy of Tirgu Mures; Tirgu Mures Romania
4. Nicolina Medical Center; “P. Poni” Insitute of Macromolecular Chemistry; Apollonia University; Iasi Romania