1 Department of Medicine, Montefiore Medical Center, The Bronx, NY.
2 Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN.
3 Department of Emergency Medicine and Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN.
4 Department of Emergency Medicine and Vanderbilt Institute for Clinical and Translational Research, Vanderbilt University Medical Center, Nashville, TN. Electronic address: wesley.self@vumc.org.