1. SpectraCure AB, Magistratsvägen 10, 226 43 Lund, Sweden
2. Swedish University of Agricultural Sciences, Department of Clinical Sciences, Box 7054, Uppsala 750 07, Sweden
3. Swedish University of Agricultural Sciences, Department of Biomedical Sciences and Veterinary Public Health, Box 7028, Uppsala 750 07, Sweden
4. Lund University, Division of Atomic Physics, Physics Department, Box 118, Lund 221 00, Sweden