Prof. Dr. Christof Dame, Oberarzt der Klinik fur Neonatologie, Charite - Universitatsmedizin Berlin, Campus Virchow-Klinikum, Berlin Professor Dr. Theodor M. Fliedner, WHO Liaison Institute for Radiation Accident Management Medical Faculty University of Ulm, Ulm Professor Dr. Martha C. Sola-Visner, Children's Hospital Boston, Boston, USA Mervin C.Yoder, Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, USA