About the Authors

Xiaohua Wei

Affiliation Department of Earth and Environmental Sciences, University of British Columbia, Kelowna, British Columbia, Canada

Juan A. Blanco

juan.blanco@unavarra.es

Affiliation Departmento de Ciencias del Medio Natural, Universidad Pública de Navarra, Pamplona, Navarra, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XW JAB. Performed the experiments: JAB. Analyzed the data: XW JAB. Contributed reagents/materials/analysis tools: XW JAB. Wrote the paper: XW JAB.