About the Authors

Ke Zhang

Affiliation Institute of Neuroscience and Medicine– 4, Medical Imaging Physics, Forschungszentrum Jülich, Jülich, Germany

Seong Dae Yun

Affiliation Institute of Neuroscience and Medicine– 4, Medical Imaging Physics, Forschungszentrum Jülich, Jülich, Germany

N. Jon Shah

n.j.shah@fz-juelich.de

Affiliations Institute of Neuroscience and Medicine– 4, Medical Imaging Physics, Forschungszentrum Jülich, Jülich, Germany, Department of Neurology, Faculty of Medicine, JARA, RWTH Aachen University, Aachen, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KZ. Performed the experiments: KZ. Analyzed the data: KZ SDY. Contributed reagents/materials/analysis tools: KZ SDY. Wrote the paper: KZ SDY NJS.