Accepted for Publication: July 28, 2011.
Author Contributions:Study concept and design: Obokhare, Santoso, and Ponsky. Acquisition of data: Obokhare and Santoso. Analysis and interpretation of data: Santoso and Coughlan. Drafting of the manuscript: Obokhare, Santoso, and Coughlan. Critical revision of the manuscript for important intellectual content: Obokhare, Santoso, and Ponsky. Administrative, technical, and material support: Obokhare, Santoso, and Coughlan. Study supervision: Ponsky.
Financial Disclosure: None reported.