1. Department of Pediatrics, Albert Einstein College of Medicine, New York, N. Y.
2. Albert Einstein College of Medicine;presently, Director of Pediatrics, Mount Zion Hospital, San Francisco, Calif.
3. Albert Einstein College of Medicine, New York, N. Y.; presently, Assistant Professor of Pediatrics, University of Florence, Italy.
4. Albert Einstein College of Medicine, New York, N. Y.