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First Online: 20 July 2020

Compliance with Ethical Standards

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: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (the research was approved by the social and ethics committee of the private organization where was conducted the study) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained from all individual participants included in the study.

: The authors declare that they do not have any conflict of interest with this paper.