1. Medical University of Graz, Institute for Medical Informatics, Statistics, and Documentation, Graz
2. Medical University of Graz, Division of Neonatology, Graz
3. University of Zurich, University Hospital Zurich, Department of Neonatology, Biomedical Optics Resea
4. Hamamatsu Photonics K.K., Systems Division, Hamamatsu