[1] Akron Gen Med Ctr, 1 Akron Gen Way, Akron, OH 44302 USA
[2] Northeast Ohio Med Univ, 4209 St Rt 44,POB 95, Rootstown, OH 44272 USA
[3] Louis Stokes Cleveland Dept Vet Affairs, 10701 East Blvd 111 W, Cleveland, OH 44106 USA
[4] Case Western Reserve Univ, Sch Med, 2109 Adelbert Rd, Cleveland, OH 44106 USA