1. Department of Analytical Chemistry, Ghent University, Proeftuinstraat 86, 9000 Ghent, Belgium, Center for Optical Diagnostics and Therapy, Department of Dermatology, Erasmus MC, University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD, Rotterdam, The Netherlands, Laboratory of Microbial Ecology and Technology (LabMET), Ghent University, Coupure Links 653, 9000 Ghent, Belgium, Department of Archeology and Ancient History of Europe, Ghent University, Blandijnberg 2, 9000 Ghent, Belgium,...