About the Authors
- Bruce E. Kurtz
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* E-mail: kurtz36ti@gmail.com
Affiliation Independent consultant, Bradenton, Florida, United States of America
Competing Interests
Bruce E. Kurtz is now retired by a commercial company “Electronic Materials, National Starch and Chemical, Imperial Chemical Industries (ICI)”. This does not alter the author’s adherence to all PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: BEK. Performed the experiments: BEK. Analyzed the data: BEK. Contributed reagents/materials/analysis tools: BEK. Wrote the paper: BEK.