Funding for this research was provided by:
Univerzita Karlova v Praze (PRIMUS/MED/17/05)
Text and Data Mining valid from 2018-11-02
First Online: 2 November 2018
Compliance with Ethical Standards
: This review was partly funded by a grant from Charles University (PRIMUS/MED/17/05). The funding agency played no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
: Tomas Vetrovsky, Michal Steffl, Petr Stastny, and James J. Tufano declare that they have no conflicts of interest relevant to the content of this review.