- Correspondence to Dr Holly L Rosenzweig, VA Medical Center, 3710 SW US Veterans Hospital Rd. Bld 103, Room E-218 Mail stop: VA R&D 14, Portland, OR 97239, USA,
- Received September 21, 2013
- Revised January 1, 2013
- Accepted January 3, 2013
- First published January 29, 2013.
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