1. Program in Public Health, and
2. Department of Statistics, University of California, Irvine, Irvine, California, USA
3. Department of Epidemiology
4. Susan Samueli Center for Integrative Medicine, and
5. Cardiology Division, Department of Medicine, School of Medicine, University of California, Irvine, Irvine, California, USA
6. Department of Civil and Environmental Engineering, Viterbi School of Engineering, University of Southern California, Los Angeles, California, USA