About the Authors
- Jochen Klenk
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* E-mail: jochen.klenk@uni-ulm.de
Affiliations Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany, Department of Clinical Gerontology and Rehabilitation, Robert-Bosch-Hospital, Stuttgart, Germany
- Ngaire Kerse
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Affiliation Department of General Practice and Primary Health Care, School of Population Health, University of Auckland, Auckland, New Zealand
- Kilian Rapp
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Affiliations Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany, Department of Clinical Gerontology and Rehabilitation, Robert-Bosch-Hospital, Stuttgart, Germany
- Thorsten Nikolaus
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† Deceased.
Affiliation Agaplesion Bethesda Clinic, Ulm, Germany
- Clemens Becker
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Affiliation Department of Clinical Gerontology and Rehabilitation, Robert-Bosch-Hospital, Stuttgart, Germany
- Dietrich Rothenbacher
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Affiliation Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany
- Richard Peter
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Affiliation Institute of the History, Philosophy and Ethics of Medicine, Ulm University, Ulm, Germany
- Michael Dieter Denkinger
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Affiliation Agaplesion Bethesda Clinic, Ulm, Germany
- the ActiFE Study Group
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¶Membership of the ActiFE Study Group is provided in the Acknowledgments.
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: KR MD RP TN. Analyzed the data: JK NK CB DR. Wrote the paper: JK NK KR TN CB DR RP MD.