Breadcrumb Home News September 06, 2010 01:00 AM Corrections & Clarifications Tweet Share Share Email More Reprints Print Purchasing volume figures for Amerinet and MedAssets should have been stated as billion of dollars in the Aug. 30 story “Expanding their horizons,” (p. 25.) Hospital member figures for the Membership of GPO Survey Participants chart were incorrect. A revised chart can be found online at modernhealthcare.com/lists. Letter to the Editor Send us a letter Have an opinion about this story? Click here to submit a Letter to the Editor, and we may publish it in print. Recommended for You Mobile Apps | Modern Healthcare Beyond the Byline: Mining data on insurers' pandemic profits - Transcript Sponsored Content View the discussion thread.