1. Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Health Effects Laboratory Division, Morgantown, WV 26505, USA, (MLK, JPO, DBM, CMBD SS)
2. Department of Veterans Affairs, Honolulu, HI, USA
3. Department of Medicine, University of Hawaii, John A. Burns School of Medicine, Honolulu, HI 96826, USA
4. Pacific Health Research Institute, Honolulu, HI 96813 (GWR, HP, JN, LRW); Kuakini Medical Center/Honolulu-Asia Aging Study, Honolulu, HI 96817, USA
5. Department of Pathology and the Sanders Brown Center on Aging, University of Kentucky, Lexington, KY 40506, USA