1. Department of Metallurgical and Materials Engineering, Middle East Technical University, Çankaya, 06800 Ankara, Turkey
2. Institute of Biomedical Engineering, Boğaziçi University, 34684 İstanbul, Turkey
3. Department of Basic Medical Sciences, Faculty of Dentistry, Ankara University, 06560 Ankara, Turkey
4. Biomedical Engineering Program, Middle East Technical University, Çankaya, 06800 Ankara, Turkey
5. BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Çankaya, 06800 Ankara, Turkey