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Article History

Received: 9 January 2020

Accepted: 9 September 2020

First Online: 22 September 2020

Compliance with ethical standards

:

: The authors declare that they have no conflict interest.

: I certify that this manuscript is original and has not been published and will not be submitted elsewhere for publication while being considered by the journal of Environmental Geochemistry and Health. And the study is not split up into several parts to increase the quantity of submissions and submitted to various journals or to one journal over time. No data have been fabricated or manipulated (including images) to support your conclusions. No data, text, or theories by others are presented as if they were our own. The submission has been received explicitly from all co-authors. And authors whose names appear on the submission have contributed sufficiently to the scientific work and therefore share collective responsibility and accountability for the results.

: This article does not contain any studies with human participants or animals performed by any of the authors.

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