George E. Wahlen VAMC and University of Utah, Salt Lake City
This work was supported by a Department of Veterans Affairs Career Development Award. Additional support was provided by the resources and the use of facilities at the VA Salt Lake City Health Care System.
The author declares no conflicts of interest.
Please send correspondence to: William R. Marchand, MD, VHASLCHCS 151, 500 Foothill Drive, Salt Lake City, UT 84148. [email protected]