About the Authors

Patrick Coulombe

Affiliation Department of Psychology, University of New Mexico, Albuquerque, New Mexico, United States of America

Clifford Qualls

Affiliation Department of Mathematics and Statistics, University of New Mexico, Albuquerque, New Mexico, United States of America

Robert Kruszynski

Affiliation Department of Earth Sciences, The Natural History Museum, London, United Kingdom

Andreas Nerlich

Affiliation Institute for Pathology, Section Paleopathology, Klinikum Műnchen-Bogenhausen, Munich, Germany

Raffaella Bianucci

Affiliations Laboratory of Criminalistic Sciences, Department of Anatomy, Pharmacology and Legal Medicine, University of Turin, Turin, Italy, New Mexico Health Enhancement and Marathon Clinics Research Foundation, Albuquerque, New Mexico, United States of America

Richard Harris

Affiliation Department of Psychology, University of New Mexico, Albuquerque, New Mexico, United States of America

Christine Mermier

Affiliation Exercise Physiology Laboratory, University of New Mexico, Albuquerque, New Mexico, United States of America

Otto Appenzeller

OttoArun12@aol.com

Affiliation New Mexico Health Enhancement and Marathon Clinics Research Foundation, Albuquerque, New Mexico, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PC CQ OA. Performed the experiments: PA CQ OA RK RH RB CM. Analyzed the data: PC CQ OA RH AN. Contributed reagents/materials/analysis tools: PC OA CQ AN RB. Wrote the paper: OA. Conceived internet methods: PC CQ RH. Designed the software used in analysis: PC CQ.