1. Departments of Pediatrics (R.R.S.), Indianapolis, Indiana 46202
2. Medicine (G.J.E., C.S., W.T., J.H.P.), Indianapolis, Indiana 46202
3. the Regenstrief Institute (W.T.), Indiana University School of Medicine, Indianapolis, Indiana 46202
4. the Richard L. Roudebush Veterans Administration Medical Center (J.H.P.), Indianapolis, Indiana 46202