About the Authors

Linus Bengtsson, Xin Lu, Anna Thorson, Johan von Schreeb
Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden

Xin Lu
Department of Sociology, Stockholm University, Stockholm, Sweden

Richard Garfield
Schools of Nursing and Public Health, Columbia University, New York City, United States of America

Corresponding Author

bengtssonlinus@gmail.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived of the research method, obtained permission to access the mobile phone network data and led the project: LB. Contributed additional ideas for the method: XL RG. Designed the software used in the analyses: XL. Analyzed the data: XL. Provided senior epidemiological guidance and expertise in disaster medicine: AT RG JvS. Wrote the first draft of the manuscript: LB AT. Contributed to the writing of the manuscript: LB XL AT RG JvS. ICMJE criteria for authorship read and met: LB XL AT RG JvS. Agree with manuscript results and conclusions: LB XL AT RG JvS.