About the Authors
- Gerhard J. Johnson
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* E-mail: gerhard.johnson@va.gov
Affiliations Department of Veterans Affairs Health Care System, Minneapolis, Minnesota, 55417, United States of America, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, 55455, United States of America
- Billie C. S. Slater
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Affiliation Department of Veterans Affairs Health Care System, Minneapolis, Minnesota, 55417, United States of America
- Linda A. Leis
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Affiliation Department of Veterans Affairs Health Care System, Minneapolis, Minnesota, 55417, United States of America
- Thomas S. Rector
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Affiliations Department of Veterans Affairs Health Care System, Minneapolis, Minnesota, 55417, United States of America, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, 55455, United States of America
- Ronald R. Bach
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Affiliations Department of Veterans Affairs Health Care System, Minneapolis, Minnesota, 55417, United States of America, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, 55455, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RB GJ BS. Performed the experiments: BS LL. Analyzed the data: RB GJ BS LL TR. Wrote the paper: GJ RB BS LL TR.