About the Authors

Olalekan A. Uthman, Stephen Lawoko
Division of Social Medicine, Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden

Tahereh Moradi
Division of Epidemiology, Department of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden

Corresponding Author

uthlekan@yahoo.com

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: OAU. Performed the experiments: OAU. Analyzed the data: OAU TM LS. Contributed reagents/materials/analysis tools: OAU TM LS. Wrote the paper: OAU TM LS.