In the paper titled, A new syndrome, congenital extraocular muscle fibrosis with ulnar hand anomalies, maps to chromosome 21qter (J Med Genet 2004;42:408-15) there are a number of errors. The affiliations and correspondence details were incorrect, the correct details have been listed below:

T Tukel, R J Desnick*, Department of Human Genetics, Mount Sinai School of Medicine of New York University, New York, USA

A Uzumcu, H Kayserili, M Y Apak, O Uyguner, Bernd Wollnik*, Child Health Institute, Division of Medical Genetics, Istanbul University, Istanbul, Turkey

A Gezer, Department of Ophthalmology, Istanbul Faculty of Medicine, Istanbul University

S H Gultekin, Department of Pathology, Section of Neuropathology, Mount Sinai School of Medicine of New York University

H-C Hennies, P Nurnberg, Gene Mapping Center and Department of Molecular Genetics, Max Delbruck Center for Molecular Genetics, Berlin, Germany

* Co-senior authors who contributed equally to this research

Correspondence to:

Professor Robert J Desnick, PhD, MD, Department of Human Genetics, Mount Sinai School of Medicine, 1425 Madison Avenue, Box 1498, New York, NY 10029, USA; rjdesnickmssm.edu

or

Bernd Wollnik, MD, Institute of Child Health, Division of Medical Genetics, Istanbul University, Millet Caddesi, Capa, 34390 Istanbul, Turkey; wollniksuperonline.com

In figure 3 the marker D21S1400 should be D21S1440.

On page 413 in the second paragraph, the marker D2151446 should be D21S1446.