I could probably narrow it down a bit more if we look at all the names involved and under "following" they only give you the last 10... so you will notice Hakan within these 10 and makes sense, because the search is done just for this past week so they added Hakan just this past week.
To just keep track of Hakan's numbers on research gate as of April 21, 2014
Following: 23
Followers: 64
almost 3 to 1... looks like others are more interested in what Hakan has been up to and hopefully--- its astronomical type of research.
About
Tumor immunology with a focus on immunotherapy using monoclonal antibodies and cancer vaccines. The present research is addressing structural and functional characterization of ROR1 in hematological malignancies and solid tumors and the developement of therapeutic strategies using small molecules targeting the TK domain of ROR1 as well as monoclonal antibodies recognizing the extracellular part of ROR1. A future strategy will also include developement of active ROR1 specific immunotherapy