*Children's Heart Center, University Hospital Nijmegen, The Netherlands
*Children's Heart Center, University Hospital Nijmegen, The Netherlands
**Department of Medical Statistics, University Hospital Nijmegen, The Netherlands
†Department of Neonatology, University Hospital Nijmegen, The Netherlands
‡Departrnent of Paediatric Surgey, University Hospital Nijmegen, The Netherlands
Ronald B Tanke, MD, University Hospital Nijmegen, Children's Heart Centre, Geert Grooteplein 10, PO Box 9101, 6500 HB Nijmegen, The Netherlands Tel: +31 24 361 66 91, Fax +31 24 361 90 52, E-mail [email protected]
Accepted November 08, 1999
