Rücker, Gerta http://orcid.org/0000-0002-2192-2560
Nikolakopoulou, Adriani
Papakonstantinou, Theodoros
Salanti, Georgia
Riley, Richard D.
Schwarzer, Guido
Article History
Received: 13 September 2019
Accepted: 6 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
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: The authors declare that they have no competing interests.