[1
]
Department of Radiology, University of Michigan, Ann Arbor, Michigan USA jjacobsn@umich.edu.
[2
]
Department of Radiology, University of Michigan, Ann Arbor, Michigan USA.
[3
]
Department of Physical Medicine and Rehabilitation, University of Michigan, Ann Arbor,
Michigan USA.
[4
]
Northern Michigan Rheumatology, Petoskey, Michigan USA.
[5
]
Department of Orthopedic Surgery, University of Michigan, Ann Arbor, Michigan USA.
[6
]
Michigan Institute for Clinical and Health Research, University of Michigan, Ann Arbor,
Michigan USA.