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