1. Fluorescence-Guided Surgery Group, Department of Otorhinolaryngology, Head and Neck Surgery, Erasmus MC Cancer Institute, Rotterdam, Netherlands
2. Center for Optical Diagnostics and Therapy, Department of Dermatology, Erasmus MC Cancer Institute, Rotterdam, Netherlands
3. Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal
4. Department of Pathology, Antwerp University Hospital/Antwerp University, Antwerp, Belgium
5. Department of Surgery, Leiden University Medical Center, Leiden, Netherlands