Author Contributions: Dr Lakoski had access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: Lakoski, Greenland, Herrington, Kronmal, and Blumenthal. Acquisition of data: Lakoski, Greenland, Schreiner, Kronmal, and Liu. Analysis and interpretation of data: Lakoski, Greenland, Wong, Schreiner, Herrington, Kronmal, Liu, and Blumenthal. Drafting of the manuscript: Lakoski, Wong, Herrington, and Blumenthal. Critical revision of the manuscript for important intellectual content: Lakoski, Greenland, Wong, Schreiner, Herrington, Kronmal, Liu, and Blumenthal. Statistical analysis: Lakoski, Wong, Schreiner, Herrington, and Kronmal. Obtained funding: Schreiner. Administrative, technical, and material support: Lakoski and Kronmal. Study supervision: Herrington and Blumenthal.