About the Authors

Johan Lindgren

johan.lindgren@geol.lu.se (JL); per.uvdal@chemphys.lu.se (PU)

Affiliation Division of Geology, Department of Earth and Ecosystem Sciences, Lund University, Lund, Sweden

Per Uvdal

johan.lindgren@geol.lu.se (JL); per.uvdal@chemphys.lu.se (PU)

Affiliations MAX-lab, Lund University, Lund, Sweden, Chemical Physics, Department of Chemistry, Lund University, Lund, Sweden

Anders Engdahl

Affiliation MAX-lab, Lund University, Lund, Sweden

Andrew H. Lee

Affiliation Department of Anatomy, Midwestern University, Glendale, Arizona, United States of America

Carl Alwmark

Affiliation Division of Geology, Department of Earth and Ecosystem Sciences, Lund University, Lund, Sweden

Karl-Erik Bergquist

Affiliation Division of Organic Chemistry, Department of Chemistry, Lund University, Lund, Sweden

Einar Nilsson

Affiliation Division of Organic Chemistry, Department of Chemistry, Lund University, Lund, Sweden

Peter Ekström

Affiliation Department of Biology, Lund University, Lund, Sweden

Magnus Rasmussen

Affiliation Division of Infection Medicine, Department of Clinical Sciences, Lund University, Lund, Sweden

Desirée A. Douglas

Current address: Developmental Biology Division, Institution for Experimental Medicine, Lund University, Lund, Sweden

Affiliation Department of Biology, Lund University, Lund, Sweden

Michael J. Polcyn

Affiliation Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, Texas, United States of America

Louis L. Jacobs

Affiliation Roy M. Huffington Department of Earth Sciences, Southern Methodist University, Dallas, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JL PU AE AHL CA K-EB EN PE MR DAD MJP LLJ. Performed the experiments: JL PU AE AHL CA K-EB EN PE DAD MJP LLJ. Analyzed the data: JL PU AE AHL CA K-EB EN PE MR DAD MJP LLJ. Contributed reagents/materials/analysis tools: PU AE K-EB EN PE MR DAD. Wrote the paper: JL PU.