1. Department of Chemical Engineering and Bioengineering Division, Hacettepe University, Ankara, Turkey;
2. Faculty of Medicine Department of Histology and Embryology, Hacettepe University, Ankara, Turkey;
3. Faculty of Dentistry Department of Endodontics, Hacettepe University, Ankara, Turkey;
4. Faculty of Engineering Environmental Engineering Department & Bioengineering Division, Hacettepe University, Ankara, Turkey;
5. Faculty of Medicine Department of Biostatistics, Hacettepe University, Ankara, Turkey;
6. Department of Biology, Aksaray University, Aksaray, Turkey;
7. Department of Chemical Engineering and Bioengineering Division, Hacettepe University Ankara, Ankara, Turkey;
8. Faculty of Medicine Department of Plastic Reconstructive and Aesthetic Surgery & Bioengineering Division, Hacettepe University, Ankara, Turkey