. Author manuscript; available in PMC: 2014 Oct 1.
Published in final edited form as: Osteoarthritis Cartilage. 2013 Jul 27;21(10):1474–1484. doi: 10.1016/j.joca.2013.07.012
© 2013 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.