“…There are various types of bibliometric studies in the field of SE addressing some of the above questions, e.g., Caia and Card (2008), Wohlin (2007Wohlin ( , 2008, Glass and Chen (2001, 2003, Tse et al (2006), Wong et al (2008Wong et al ( , 2009Wong et al ( , 2011, Ren and Taylor (2007), Garousi and Varma (2010), , McCain et al (2005), Parnas (2007), Meyer et al (2009), Geist et al (1996, Farhoodi et al (2013), Garousi and Ruhe (2013), Jia and Harman (2010), Harman et al (2009). For example, the on-going annual studies by Glass and Chen (2001, 2003, Tse et al (2006), Wong et al (2008Wong et al ( , 2009Wong et al ( , 2011 have been ranking the top researchers and institutions world-wide since 1996, addressing the questions (1) and (2) above.…”