1. Institute of Clinical Dentistry, University of Oslo Oslo Norway
2. Spesialistsenteret Pilestredet Park Oslo Norway
3. INSERM UMR 1033 Université de Lyon, Hospices Civils de Lyon Lyon France
4. Amgen Inc Thousand Oaks CA USA
5. CHU de Québec Research Centre and Laval University Quebec City Canada
6. Amgen Boulogne‐Billancourt France
7. UCB Pharma Brussels Belgium