1. Department of Clinical Physics, Máxima Medical Center, Veldhoven, DB, The Netherlands
2. Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, AZ, The Netherlands
3. Department of Neonatology, Máxima Medical Center, Veldhoven, DB, The Netherlands
4. Department of Electrical Engineering and Industrial Design, Eindhoven University of Technology, Eindhoven, AZ, The Netherlands