Prepared by P.S. White¹, A. Forus², T.C. Matise³, B.C. Schutte⁴, N. Spieker⁵, P. Stanier⁶, J.M. Vance⁷, S.G. Gregory⁸

¹Division of Oncology, The Children's Hospital of Philadelphia, Philadelphia PA (USA)

²Department of Tumor Biology, The Norwegian Radium Hospital, Oslo (Norway)

³Laboratory of Statistical Genetics, The Rockefeller University, New York NY (USA)

⁴Department of Pediatrics, University of Iowa, Iowa City IA (USA)

⁵Department of Human Genetics, Academic Medical Centre, University of Amsterdam, Amsterdam (The Netherlands)

⁶Division of Molecular Biology, Paediatrics, Obstetrics and Gynaecology, Queen Charlotte's and Chelsea Hospital, London (UK)

⁷Center for Human Genetics, Duke University Medical Center, Durham NC (USA)

⁸The Sanger Centre, Wellcome Trust Genome Campus, Hinxton, Cambridge (UK)