1. Department of Medicine (D.E.K., G.H., K.S., K.S.H., J.C.H., F.R., G.K.F., A.D.M., F.T.H.), University of California San Diego, La Jolla.
2. Veterans Affairs San Diego Healthcare System (D.E.K., G.H., K.S.H., F.T.H.).
3. Vektor Medical, Inc, Carlsbad (C.T.V.).
4. Mills Peninsula Medical Center, Burlingame (A.A.S.).
5. Medical University of South Carolina, Charleston, CA (M.E.F.).
6. Katherine Kacena Consulting, Melbourne, FL (K.A.K.).
7. Technomics Research, Minneapolis, MN (M.S.M.).
8. Department of Bioengineering (A.D.M.), University of California San Diego, La Jolla.