1. Department of Epidemiology and Biostatistics, University at Albany School of Public Health, Rensselaer, NY, USA
2. Department of Earth Sciences, Dartmouth College, Hanover, NH, USA
3. Department of Epidemiology, Geisel School of Medicine at Dartmouth, One Medical Center Drive, Lebanon, NH, USA
4. Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, GA, USA