Submitted for Publication: December 5, 2012; final revision received January 31,
2013; accepted February 4, 2013.
Published Online: June 6, 2013.
Acquisition of data: Kudsieh.
Analysis and interpretation of data: Canut.
Drafting of the manuscript: Nadal, Carreras, Kudsieh.
Critical revision of the manuscript for important intellectual content: Canut.
Administrative, technical, and material support: Nadal, Carreras, Canut.
Conflict of Interest Disclosures: None