1. Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, The University of Western Ontario, 1151 Richmond St, London, Ontario, Canada, N6A 5C1
2. Riley Heart Research Center, Herman B. Wells Center for Pediatric Research, Indiana University School of Medicine, 1044 West Walnut, Indianapolis, IN 46202, USA
3. Department of Materials Science and Engineering, The Ohio State University, 2041 College Road, Columbus, OH 43210, USA
4. Centre for Rheumatology, Royal Free and University College Medical School, London, NW3 2PF, UK
5. School of Life Sciences, University of Westminster, London, W1B 2UW, UK
6. Division of Oral Biology, Schulich School of Medicine and Dentistry, The University of Western Ontario, 1151 Richmond St, London, Ontario, Canada, N6A 5C1