About the Authors

Thomas E. Bartlett

thomas.bartlett.10@ucl.ac.uk

Affiliations Department of Mathematics, University College London, London, United Kingdom, CoMPLEX, University College London, London, United Kingdom

Sofia C. Olhede

Affiliations Department of Statistical Science, University College London, London, United Kingdom, CoMPLEX, University College London, London, United Kingdom

Alexey Zaikin

Affiliation Department of Mathematics, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TEB SCO AZ. Performed the experiments: TEB. Analyzed the data: TEB. Contributed reagents/materials/analysis tools: TEB SCO AZ. Wrote the paper: TEB SCO AZ.