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First Online: 27 June 2020

Compliance with Ethical Standards

: The present study was conducted following the Declaration of Helsinki and its later amendments or comparable ethical standard. Additionally, the study received ethical approval, before the study was undertaken, from the Noakhali Science and Technology University (reference no. 21/2020). Study objectives, potential benefits, risks, the confidentiality of given responses, etc. were communicated with participants in an informed consent form, prior to starting the survey.

: The authors declare that they have no conflict of interest.

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