Drafting the article: Kraeutler. Critically revising the article: Bozzay, Walker, John. Reviewed submitted version of manuscript: all authors. Approved the final version of the manuscript on behalf of all authors: Kraeutler. Study supervision: John.
Portions of this work were presented in poster form at the American College of Physicians 2013 West Virginia Chapter Scientific Meeting, Roanoke, WV, October 19, 2013.