1. Institute of Biomedical Engineering, Bogazici University, Rasathane Street, Kandilli 34684, Istanbul, Turkey
2. Department of Materials Science and Engineering, Institute of Biomaterials, University of Erlangen-Nuremberg, 91058 Erlangen, Germany
3. Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing Medical University, Nanjing 210029, China