1. Mechanical Engineering Department, Bilkent University, Ankara 06800, Turkey
2. Department of Metallurgical and Materials Engineering, Middle East Technical University, Ankara 06800, Turkey
3. BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara 06800, Turkey
4. Biomedical Engineering Program, Middle East Technical University, Ankara 06800, Turkey
5. UNAM (National Nanotechnology Research Center), Ankara 06800, Turkey