مؤلف: Helen J. Lawce

About the Editors Marilyn S. Arsham, (retired) Cytogenetic Technologist II, Western Connecticut Health Network, Danbury Hospital campus, Danbury, Connecticut, USA Margaret J. Barch, (formerly) Frank F Yen Cytogenetics Laboratory, Weisskopf Child Evaluation Center, University of Louisville, USA Helen J. Lawce, Clinical Cytogenetics, Oregon Health & Science University Knight Diagnostics Laboratory, USA