Author Contributions:Study concept and design: Back, Arnold, Baile, Fryer-Edwards, and Tulsky. Acquisition of data: Back, Baile, and Barley. Analysis and interpretation of data: Back, Arnold, Baile, Alexander, and Tulsky. Drafting of the manuscript: Back, Arnold, Alexander, and Barley. Critical revision of the manuscript for important intellectual content: Back, Arnold, Baile, Fryer-Edwards, Barley, and Tulsky. Statistical analysis: Alexander and Gooley. Obtained funding: Back. Administrative, technical, and material support: Back, Barley, and Tulsky. Study supervision: Back, Alexander, and Tulsky.