1 Program in Molecular Medicine in Salt Lake City, Utah, USA; Rocky Mountain Center for Occupational and Environmental Health in Salt Lake City, Utah, USA. Electronic address: hansjorg.schwertz@u2m2.utah.edu.
2 Program in Molecular Medicine in Salt Lake City, Utah, USA; The Department of Internal Medicine, in Salt Lake City, Utah, USA; University of Utah, Salt Lake City, Utah, USA, and the Department of Internal Medicine at the George E. Wahlen Salt Lake City VAMC in Salt Lake City, Utah, USA.