1. Departments of Medicine and Biological Chemistry, Johns Hopkins University School of Medicine, Institute for Fundamental Biomedical Research, Johns Hopkins All Children’s Hospital, St. Petersburg, FL
2. Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
3. Max Delbrück Center for Molecular Medicine, Berlin, Germany
4. Sanford Burnham Prebys Medical Discovery Institute, Orlando, FL