Jadranka Stojanovski: @jadr4nka, Croatia
Tarandeep Kang: @KangTarandeep,  UK.   Comparative psychology, using primates and songbirds to develop models of human language evolution.  I am especially interested in helping with the first aim.  Happy to help with literature searches, and with writing/commenting. My primary aim will of course be completing my Masters degree, as this will be stage one of a PhD, but I will be able to dedicate around one day per week to this project.
Jon Tennant: @Protohedgehog, France
Ulf Toelch: @ulf_toelch, Germany
Egon Willighⓐgen: @egonwillighagen, The Netherlands
Kwok Ng: @kwokwng, Finland, analysis of parts of the SR. Writing parts and commenting it part
Miguel Silan, @ThreeLittleMigs, MiguelSilan@gmail.com, can contribute to evaluate sample, analysis of content of articles, writing, commenting (possibly core team?)   https://orcid.org/0000-0002-7480-3661