1. Institute of Oral Implantology and Prosthodontics, Faculty of Medicine University of Coimbra Coimbra Portugal
2. Center for Innovation and Research in Oral Sciences (CIROS), Faculty of Medicine University of Coimbra Coimbra Portugal
3. Dentistry Department, Faculty of Medicine University of Coimbra Coimbra Portugal
4. Institute of Endodontics, Faculty of Medicine University of Coimbra Coimbra Portugal
5. Institute of Operative Dentistry, Faculty of Medicine University of Coimbra Coimbra Portugal
6. Department of Preventive and Restorative Sciences University of Pennsylvania School of Dental Medicine Philadelphia Pennsylvania USA