Text and Data Mining valid from 2019-04-11
Received: 4 May 2018
Accepted: 26 March 2019
First Online: 11 April 2019
Ethics approval and consent to participate
: Not applicable; in this study we analyzed only published manuscripts.
: Not applicable.
: Tina Poklepovic Pericic is a volunteer co-director of Cochrane Croatia. Livia Puljak and Andrija Babic are volunteer members of Cochrane Croatia. Livia Puljak is a Section Editor at the BMC Medical Research Methodology, but she was not involved in any way with editorial handling of this manuscript. Other authors have no competing interests to declare.
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