“…The check of the studies in the SMJ confirms that also in 2019, multiple secondary databases are frequently combined and that the vast majority of the studies do not report in detail on the method(s) utilized to combine the data (e.g., Aggarwal 2020; Arikan, Arikan, and Shenkar 2020; Graffin et al 2020). The studies that do describe the MM show that name MMs are utilized (e.g., Cao, Gustafson, and Velthuis 2019; Hendricks, Howell, and Bingham 2019) as well as common identifiers methods (e.g., Kang and Kim 2020; Meyer-Doyle, Lee, and Helfat 2019), and fuzzy name/key word methods (e.g., Png 2019; Ridge et al 2019). The work by Png (2019) describes the development of a new data set and could be considered as a good example of describing the MM.…”