Jacobs, Tom G. http://orcid.org/0000-0001-5738-5528
Robertson, Jane http://orcid.org/0000-0003-4330-2829
van den Ham, Hendrika A.
Iwamoto, Kotoji
Bak Pedersen, Hanne
Mantel-Teeuwisse, Aukje K.
Funding for this research was provided by:
WHO Regional Office for Europe (-)
Article History
Received: 14 May 2019
Accepted: 18 July 2019
First Online: 31 July 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: Three co-authors are affiliated with the WHO Regional Office for Europe. All authors declare that they have no competing interests.