Mealey's (November 10, 2017, 1:25 PM EST) -- CHARLESTON, W.Va. — Four West Virginia cities on Nov. 2 filed a national class action against a hospital-credentialing organization, saying it teamed with OxyContin maker Purdue Pharma LP to create pain management standards for hospitals that “grossly misrepresented the addictive qualities of opioids and fostered dangerous pain control practices” (City of Charleston, et al. v. The Joint Commission, et al., No. 17-4267, S.D. W.Va.)....