About the Authors
- Christopher D. Buckley
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* E-mail: chrisbuckley888@hotmail.com
Affiliation Independent Researcher, Beijing, People’s Republic of China
Competing Interests
The author declares that no competing interests exist.
Author Contributions
Conceived and designed the experiments: CDB. Performed the experiments: CDB. Analyzed the data: CDB. Contributed reagents/materials/analysis tools: CDB. Wrote the paper: CDB.