[1] Case Western Reserve Univ, Sch Med, Cleveland, OH USA
[2] Louis Stokes Cleveland VA Med Ctr, 10701 East Blvd, Cleveland, OH 44106 USA
[3] Penn State Coll Med, Hershey, PA USA
[4] Univ Calif San Francisco, Sch Med, San Francisco, CA USA
[5] Baylor Coll Med, Houston, TX 77030 USA
[6] Univ Chicago, Pritzker Sch Med, Chicago, IL 60637 USA
[7] Alliance Acad Internal Med, Alexandria, VA USA
[8] Morsani Coll Med, Tampa, FL USA
[9] Ohio State Coll Med, Columbus, OH USA