Author Contributions:Study concept and design: Warycha, Kopf, Cohen, and Polsky. Acquisition of data: Terushkin, Warycha, and Levy. Analysis and interpretation of data: Terushkin, Warycha, Kopf, Cohen, and Polsky. Drafting of the manuscript: Terushkin and Warycha. Critical revision of the manuscript for important intellectual content: Terushkin, Warycha, Levy, Kopf, Cohen, and Polsky. Statistical analysis: Terushkin. Administrative, technical, and material support: Polsky. Study supervision: Warycha and Polsky.