About the Authors
- Sandra Anne Banack, James S. Metcalf, Paul Alan Cox
- Institute for Ethnomedicine, Jackson, Wyoming, United States of America
- Liying Jiang, Leopold L. Ilag
- Department of Analytical Chemistry, Stockholm University, Stockholm, Sweden
- Derek Craighead
- Craighead Beringia South, Kelly, Wyoming, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: SAB JSM PAC. Performed the experiments: SAB JSM LJ LLI. Analyzed the data: SAB JSM LJ LLI. Contributed reagents/materials/analysis tools: SAB JSM DC PAC. Wrote the paper: SAB JSM LLI PAC.