Emery and Rimoin's essential medical genetics / edited by David L. Rimoin, Steven Spielberg Chair & Director, Medical Genetics Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA, Reed E. Pyeritz, William Smilow Professor of Medicine, Departments of Medicine and Genetics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA, Bruce R. Korf, Wayne H and Sara Crews Finley Chair in Medical Genetics, Professor and Chair, Department of Genetics and Director, Heflin Center for Genomic Sciences, University of Alabama at Birmingham, Birmingham, AL, USA.