MOTION OF THE AMERICAN PUBLIC HEALTH ASSOCIATION, ET AL., FOR LEAVE TO FILE BRIEF AS AMICI CURIAE IN SUPPORT OF PETITIONERSPursuant to Sup. Ct. Rule 37.2(b), Amici – physicians, nurses, public health officers, substance abuse treatment professionals, and medical researchers from around the country, and their professional associations – move for leave to file the attached brief Amici Curiae in support of Petitioners seeking review of Ferguson v. City of Charleston, 186 F.3d 469 (4th Cir. 1999).