1. Department of Pediatrics (R.K.), University of Southern California, Los Angeles, California 90033
2. Department of Preventive Medicine (R.K., W.J.M., H.N.H), University of Southern California, Los Angeles, California 90033
3. Atherosclerosis Research Unit (R.K., W.J.M., H.N.H), University of Southern California, Los Angeles, California 90033
4. Department of Medicine (H.N.H.), University of Southern California, Los Angeles, California 90033
5. Department of Obstetrics and Gynecology (S.R., F.Z.S.), University of Southern California, Los Angeles, California 90033