1. Department of Pathology and Cell Biology Columbia University Irving Medical Center New York New York USA
2. Department of Cellular and Molecular Medicine Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
3. Department of Biology Johns Hopkins University Baltimore Maryland USA
4. Research and Development Cytogenetics and Medical Genetics Unit TOMA Advanced Biomedical Assays S.p.A. (Impact Lab) Busto Arsizio Varese Italy