1. Department of Prosthodontics Faculty of Odontology; Malmö University; Malmö Sweden
2. Department of Prosthodontics/Dental Materials Science; The Sahlgrenska Academy, Institute of Odontology, University of Gothenburg; Göteborg Sweden
3. Prosthodontic Department; Faculty of Dentistry, Umm Al-Qura University; Mecca Saudi Arabia
4. Department of Clinical Sciences; Lund University; Lund Sweden
5. AstraZeneca Bioventure Hub; Promimic AB; Mölndal Sweden