1Department of Civil and Environmental Engineering, Stanford University, 318 Campus Drive E250 Clark Center, Stanford, CA 94305 USA
2Department of Medicine, Stanford University School of Medicine, 291 Campus Drive, Stanford, CA 94305 USA
3Institute for Computational and Mathematical Engineering, Stanford University, 475 Via Ortega, Stanford, CA 94305 USA
4Stanford Prevention Research Center, Department of Medicine, Stanford University School of Medicine, 1265 Welch Road, Stanford, CA 94305 USA
5Department of Statistics, Stanford University, 390 Serra Mall, Stanford, CA 94305 USA
6Department of Health Research and Policy, Stanford University School of Medicine, 150 Governor’s Ln, Stanford, CA 94305 USA
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