About the Authors

Igor V. Ovchinnikov

igor.ovtchinnikov@und.edu

Affiliations Department of Biology, University of North Dakota, Grand Forks, North Dakota, United States of America, Forensic Science Program, University of North Dakota, Grand Forks, North Dakota, United States of America

Olga I. Kholina

Affiliation New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IO. Performed the experiments: OIK. Analyzed the data: IO OIK. Wrote the paper: IO.