| Affiliation: | (1) Samuel C. Johnson Medical Research Center, Mayo Clinic Scottsdale, 85259 Scottdale, AZ, USA;(2) Center for Human Molecular Genetics, Munroe-Meyer Institute, University of Nebraska Medical Center, 68198 Omaha, NE, USA;(3) Cartilage Biology and Orthopedics Branch, NIAMS/NIH, 20892-8022 Bethesda, MD, USA;(4) Department of Genetics, Cell Biology and Anatomy, University of Nebraska Medical School, 68198 Omaha, NE, USA |
