About the Authors
- Staffan A. Qvist
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* E-mail: staffan.qvist@physics.uu.se
Affiliation Department of Physics and Astrophysics, Uppsala University, Uppsala, Sweden
- Barry W. Brook
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Affiliation Faculty of Science, Engineering & Technology, University of Tasmania, Hobart, Australia
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: SQ BWB. Performed the experiments: SQ BWB. Analyzed the data: SQ BWB. Contributed reagents/materials/analysis tools: SQ BWB. Wrote the paper: SQ BWB.