1. Department of Epidemiology, School of Medicine and
2. Department of Statistics, School of Information and Computer Sciences, University of California, Irvine, Irvine, California, USA
3. Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, California, USA
4. Occupational and Environmental Medicine Division
5. Nephrology and Hypertension Division and
6. Cardiology Division, Department of Medicine, School of Medicine, University of California, Irvine, California, USA