1. Rheumatology Division, CIBER–BBN/ISCIII, Tissue Engineering and Cellular Therapy Group (CBTTC-CHUAC), INIBIC – Hospital Universitario de A Coruña, A Coruña, Spain
2. Centre for Biomaterials and Tissue Engineering, School of Clinical Dentistry, University of Sheffield, Sheffield, UK
3. Biomaterials Department, Institute of Polymer Science and Technology, CSIC and CIBER–BBN, Madrid, Spain