Funding for this research was provided by:
Rijksinstituut voor Volksgezondheid en Milieu (3910086068)
Text and Data Mining valid from 2019-02-25
Received: 19 September 2018
Revised: 28 January 2019
Accepted: 12 February 2019
First Online: 25 February 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.