Lewitzka, U.
Sauer, C.
Bauer, M.
Felber, W.
Article History
Received: 1 March 2018
Accepted: 14 May 2019
First Online: 23 May 2019
Ethics approval and consent to participate
: Not applicable (data were provided by statistical authorities (WHO), no personal data were required).There is no need for ethical approval, as this study involves no human participants. As international guidelines recommend.Research that relies exclusively on publicly available information does not require REB review when:UnorderedList removed(please see: ExternalRef removed).
: Not applicable.
: The corresponding author UL is currently acting as Section Editor for BMC Psychiatry. The other authors declare that they have no competing interests.
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