1. Department of Engineering Sciences; Middle East Technical University; 06800 Ankara Turkey
2. Department of Sports Medicine; Hacettepe University, Faculty of Medicine; 06100 Ankara Turkey
3. Department of Histology and Embryology; Hacettepe University, Faculty of Medicine; 06100 Ankara Turkey
4. BIOMATEN; Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University; Ankara 06800 Turkey
5. Department of Surgery, Faculty of Veterinary Medicine; Afyon Kocatepe University; 03200 Afyon Turkey