- Correspondence to Dinesh Khanna, University of Michigan Scleroderma Programme, Division of Rheumatology/Department of Internal Medicine, 24 Frank Lloyd Wright Drive, Lobby M, Suite 2500, SPC 5753, Ann Arbor, Michigan 48106, USA;
- Received August 5, 2011
- Accepted December 30, 2011
- First published February 2, 2012.
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