- Correspondence to Dr Lauris C Kaldjian, Department of Internal Medicine, 1-106 MEB, University of Iowa Carver College of Medicine, 500 Newton Road, Iowa City, IA 52242, USA;
- Received June 6, 2011
- Revised July 11, 2011
- Accepted August 5, 2011
- First published September 24, 2011.
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