About the Authors

Beata Hat

Affiliation Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland

Bogdan Kazmierczak

Affiliation Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland

Tomasz Lipniacki

tomek@rice.edu

Affiliations Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland, Rice University, Department of Statistics, Houston, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Wrote the paper: BH BK TL. Designed the study: BK TL. Performed the mathematical analysis and computations: BH BK.