Frederick R. Bieber1, Athena M. Cherry1, Beverly S. Emanuel1, Uta Francke1, H. Eugene Hoyme1, Laird G. Jackson1, Cynthia C. Morton1, Maximillian Muenke1, Cynthia M. Powell1, Hope H. Punnett1, P. Nagesh Rao1, Stuart Schwartz1, Roger E. Stevenson1, Daniel L. Van Dyke1
1Mayo Clinic Cytogenetics Laboratory, Rochester, Minnesota, USA