About the Authors
- Malgorzata Pikala
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Affiliation Department of Epidemiology and Biostatistics, the Chair of Social and Preventive Medicine of the Medical University of Lodz, Lodz, Poland
- Marek Bryla
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Affiliation Department of Social Medicine, the Chair of Social and Preventive Medicine of the Medical University of Lodz, Lodz, Poland
- Pawel Bryla
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Affiliation Department of International Marketing and Retailing, University of Lodz, Lodz, Poland
- Irena Maniecka-Bryla
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* E-mail: irena.maniecka-bryla@umed.lodz.pl
Affiliation Department of Epidemiology and Biostatistics, the Chair of Social and Preventive Medicine of the Medical University of Lodz, Lodz, Poland
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: IMB MB PB MP. Performed the experiments: MP IMB. Analyzed the data: MP MB PB. Wrote the paper: IMB MP PB MB. Bibliography search and analysis: MB PB.