Text and Data Mining valid from 2018-06-14
Received: 13 February 2018
Revised: 20 April 2018
Accepted: 24 May 2018
First Online: 14 June 2018
Compliance with ethical standards
: The scientific guarantor of this publication is Professor Lars Lönn.
: The authors of this manuscript declare relationships with the following companies: Lars Lönn, Medical Director, Mentice.
: One of the authors has significant statistical expertise.
: Written informed consent was not required for this study because this was a systematic review and meta-analysis.
: Institutional Review Board approval was not required because this was a systematic review and meta-analysis.
: • prospective• systematic review and meta-analysis