Salanti, Georgia http://orcid.org/0000-0002-3830-8508
Nikolakopoulou, Adriani
Sutton, Alex J.
Reichenbach, Stephan
Trelle, Sven
Naci, Huseyin
Egger, Matthias
Funding for this research was provided by:
H2020 Marie Skłodowska-Curie Actions (703254)
Article History
Received: 4 September 2017
Accepted: 12 June 2018
First Online: 11 July 2018
Ethics approval and consent to participate
: Not required.
: Not required.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.