1. Empa-Swiss Federal Laboratories for Materials Science and Technology; Laboratory for Protection and Physiology; Lerchenfeldstrasse 5, 9016 St. Gallen Switzerland
2. ETH Zurich, Department of Information Technology and Electrical Engineering; Gloriastrasse 35 8092 Zurich Switzerland
3. Radiometer Basel; Austrasse 25 4051 Basel Switzerland
4. Division of Neonatology; University Hospital Zurich; Frauenklinikstrasse 10 8091 Zurich Switzerland
5. Empa-Swiss Federal Laboratories for Materials Science and Technology; Überlandstrasse 129 8600 Dübendorf Switzerland