- Correspondence to Dr Jennifer Meddings, Department of Internal Medicine, University of Michigan Medical School, 2800 Plymouth Road, Building 16, Room 430 W, Ann Arbor, MI, 48019-2800, USA;
- Received November 4, 2015
- Revised February 4, 2016
- Accepted February 29, 2016
- First published May 24, 2016.
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