1. Section for Clinical Oral Microbiology, Department of Odontology Cariology and Endodontics, University of Copenhagen, DK-2200 Copenhagen, Denmark
2. Maxillofacial Surgery & Implantology & Biomaterial Research Foundation, Tehran P.O. Box 14155-6559, Iran
3. Department of Prosthodontics and Dental Implantology, King Faisal University, Al-Ahsa 31982, Saudi Arabia
4. Center of Excellence for Regenerative Dentistry, Department of Anatomy, Faculty of Dentistry, Chulalongkorn University, Bangkok 10330, Thailand
5. Maxillofacial Surgery & Implantology & Biomaterial Research Foundation, Isfahan P.O. Box 61355-45, Iran
6. Oral, Head & Neck Oncology and Microvascular Reconstructive Surgery, Department of Oral and Maxillofacial Surgery, School of Dentistry, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
7. Department of Biomedical and Electronic Engineering, School of Engineering, University of Bradford, Bradford BD7 1DP, UK