About the Authors

Elfriede Greimel

elfriede.greimel@medunigraz.at

Affiliation Medical University Graz, Graz, Austria

Yoshiko Kato

Affiliation Kobe University, Kobe, Japan

Maria Müller-Gartner

Affiliation FH JOANNEUM University of Applied Sciences, Graz, Austria

Beate Salchinger

Affiliation FH JOANNEUM University of Applied Sciences, Graz, Austria

Roswith Roth

Affiliation Karl Franzens University Graz, Graz, Austria

Wolfgang Freidl

Affiliation Medical University Graz, Graz, Austria

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EG YK MMG RR WF. Performed the experiments: MMG BS YK. Analyzed the data: WF EG MMG RR YK. Wrote the paper: EG YK MMG RR WF. Final approval of the article: EG YK MMG RR BS WF.