1. Department of Electrical Engineering, Signal Processing Systems , Eindhoven University of Technology , Eindhoven , The Netherlands
2. Department of Anesthesiology , Catharina Hospital Eindhoven , Eindhoven , The Netherlands
3. Clinical Laboratory, Catharina Hospital Eindhoven , Eindhoven , The Netherlands
4. Department Internal Medicine and Kidney Diseases , Catharina Hospital Eindhoven , Eindhoven , The Netherlands
5. Royal Philips , Eindhoven , The Netherlands
6. Department of Anesthesiology and Intensive Care Medicine , General Hospital Turnhout , Turnhout , Belgium
7. Department of Biomedical Engineering, Chemical Biology , Eindhoven University of Technology , Eindhoven , The Netherlands