1. 3B's Research Group, I3Bs—Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Braga, Portugal.
2. ICVS/3B's—PT Government Associate Laboratory, Braga, Portugal.
3. Department of Endodontics, School of Dentistry, University of Cuenca, Cuenca, Ecuador.
4. Department of Endodontics, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Oslo, Norway.
5. Department of Operative Dentistry and Periodontology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany.
6. Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain.