- Dr D Fitzgerald, Department of Paediatrics, John Hunter Children’s Hospital, Locked Bag No. 1, Newcastle Mail Centre, Newcastle, New South Wales, Australia 2310.
- Received September 24, 1997
- Revision requested December 12, 1997
- Revised March 10, 1998
- Accepted April 8, 1998
- First published August 1, 1998.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.