About the Authors
- Sabine D. Klein
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* E-mail: sabine.klein@ikom.unibe.ch
Affiliation Institute of Complementary Medicine, University of Bern, Bern, Switzerland
- Loredana Torchetti
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Affiliation Institute of Complementary Medicine, University of Bern, Bern, Switzerland
- Martin Frei-Erb
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Affiliation Institute of Complementary Medicine, University of Bern, Bern, Switzerland
- Ursula Wolf
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Affiliation Institute of Complementary Medicine, University of Bern, Bern, Switzerland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: SDK LT. Wrote the paper: SDK LT MFE UW.