About the Authors

Petr Funk

Affiliation Department of Organic Chemistry, Institute of Molecular and Translational Medicine, Faculty of Science, Palacky University, Olomouc, Czech Republic

Kamil Motyka

Affiliation Department of Organic Chemistry, Institute of Molecular and Translational Medicine, Faculty of Science, Palacky University, Olomouc, Czech Republic

Miroslav Soural

Affiliation Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czech Republic

Michal Malon

Affiliation JEOL RESONANCE Inc., Akishima, Tokyo, Japan

Hiroyuki Koshino

Affiliation RIKEN Center for Sustainable Resource Science, Wako, Saitama, Japan

Joachim Kusz

Affiliation Institute of Physics, University of Silesia, Poland

Jan Hlavac

jan.hlavac@upol.cz

Affiliation Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacký University, Olomouc, Czech Republic

Competing Interests

JEOL RESONANCE Inc. provided support in the form of salary for author MM. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: JH. Data curation: MS. Formal analysis: HK JK MM KM. Funding acquisition: JH. Investigation: JH. Methodology: JH PF. Project administration: MS JH. Resources: PF. Supervision: JH. Validation: PF. Visualization: PF MS HK JK MM. Writing – original draft: JH MS MM. Writing – review & editing: JH MS.