1. Tissue Engineering Group, Department of Biomedical Engineering, Tonekabon Branch Islamic Azad University Tonekabon Iran
2. Department of Oral and Maxillofacial Surgery, Division of Regenerative Orofacial Medicine, University Hospital Hamburg‐Eppendorf Hamburg Germany
3. Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine Shahid Beheshti University of Medical Sciences Tehran Iran