1. Department of Internal Medicine, Allegheny Health Network, 320 E. North Ave, Pittsburgh, PA 15212
2. US Army Institute of Surgical Research, 3650 Chambers Pass, JBSA-FT Sam Houston, San Antonio, TX 78234
3. Vitalant, 3636 Blvd of the Allies, Pittsburgh, PA 15213
4. Department of Pathology, University of Pittsburgh, 200 Lothrop St., Pittsburgh, PA 15213