- Correspondence to: Dr L D Botto, National Center on Birth Defects and Developmental Disabilities, Mailstop F-45, Centers for Disease Control and Prevention, 4770 Buford Highway NE, Atlanta, GA 30341, USA;
- First published August 14, 2003.
Please note that there is an error in the author list, the name of Dr Renlund is spelt incorrectly. The correct author list is shown here:
B Wilcken, F Bamforth, Z Li, H Zhu, A Ritvanen, M Renlund, C Stoll, Y Alembik, B Dott, A E Czeizel, Z Gelman-Kohan, G Scarano, S Bianca, G Ettore, R Tenconi, S Bellato, I Scala, O M Mutchinick, M A Lopez, H de Walle, R Hofstra, L Joutchenko, L Kavteladze, E Bermejo, M L Martinez-Frias, M Gallagher, J D Erickson, S E Vollset, P Mastroiacovo, G Andria, and L D Botto
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