1. Karolinska Institutet; Stockholm Sweden
2. University of Louisville School of Dentistry; Louisville Kentucky
3. Kennedy Institute of Rheumatology, Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, and University of Oxford; Oxford UK
4. University of Louisville School of Dentistry, Louisville, Kentucky, and Jagiellonian University; Krakow Poland
5. Karolinska Institutet and Centre for Occupational and Environmental Medicine at Stockholm County Council; Stockholm Sweden