Text and Data Mining valid from 2019-01-01
Received: 15 October 2018
Accepted: 5 December 2018
First Online: 3 January 2019
Compliance with ethical standards
: There are no conflicts of interest to disclose. The authors declare no competing financial interests. The views presented here do not necessarily reflect those of the U.S. Food and Drug Administration. Views expressed in this article are those of the authors and do not necessarily represent views or policies of the US EPA. Mention of products or trade names does not indicate endorsement of by the US EPA. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
: No research involving human or animal participants is included.
: No research involving human participants is included and no informed consent was therefore collected.