1. Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy
2. Department of Physics; South Kensington Campus; Imperial College London London UK
3. Department of Biophotonics and Lasertechnology; Saarland University; Saarbrücken Germany
4. JenLab GmbH; Jena Germany
5. Department of Clinical and Diagnostic Medicine and Public Health; University Hospital of Modena and Reggio Emilia; Italy