About the Authors

Manuel Correia

Affiliation Department of Physics and Nanotechnology, Aalborg University, Aalborg, Denmark

Maria Teresa Neves-Petersen

teresa.petersen@inl.int

Affiliations International Iberian Nanotechnology Laboratory (INL), Braga, Portugal, NanoBiotechnology Group, Department of Biotechnology, Chemistry and Environmental Sciences, Aalborg University, Aalborg, Denmark

Per Bendix Jeppesen

Affiliation Aarhus University Hospital, Aarhus Sygehus THG, Department of Medicine and Endocrinology MEA, Aarhus C, Denmark

Søren Gregersen

Affiliation Aarhus University Hospital, Aarhus Sygehus THG, Department of Medicine and Endocrinology MEA, Aarhus C, Denmark

Steffen B. Petersen

Affiliations International Iberian Nanotechnology Laboratory (INL), Braga, Portugal, NanoBiotechnology Group, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark, The Institute for Lasers, Photonics and Biophotonics, University at Buffalo, The State University of New York, Buffalo, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MC MTNP SP PBG SG. Performed the experiments: MC. Analyzed the data: MC MTNP SP PBJ SG. Contributed reagents/materials/analysis tools: MC MTNP SP PBJ SG. Wrote the paper: MC MTNP SP.