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Welcome to the start of another year with Seminars in Thrombosis & Hemostasis (STH), this being my 13th year anniversary as Editor in Chief. As always, I sincerely wish to thank again all the contributors to STH over the years, as well as Guest Editors for past issues, and of course the current and past Editorial team. There has been no major overhaul of the editorial team at the time of writing, although some adjustments will continue to occur over the coming years. I also take this opportunity to once again thank the journal production team at ThiemeMedical Publishers for their high production standards and for facilitating both the print and online issues of the journal. This Editorial also represents the time that we reflect on our journal’s impact factor, which for 2019 was 2.892, and thus it represents a significant decrease from our 2018 impact factor of 3.401. Although somewhat disappointed with this, I would also like to note that a significant decrease in impact factor was seen with most of the journals publishing in the thrombosis and hemostasis field (►Fig. 1). As typical for this yearly editorial, I also assessed the trends for self-citations, and this reflects positively for recent data (►Fig. 2). In any case, the impact factor is only one of the several markers of the journal “quality” that we should consider, and the limitations of any of the individual markers (including the impact factor) as a “quality” indicator, have previously been discussed.1,2 Like I also do annually, now, the highest cited (2017/2018 published) contributions3–34 from this journal are also listed in ►Table 1 for the potential interest of the readership and contributing authors. These contributions identify those publications that are mostly contributing to the 2019 impact factor, and each were cited five or more times in the literature in 2019. For those interested, the current listing can be Fig. 1 More “falls” than “rises” in 2019 impact factors among eight journals publishing in thrombosis and hemostasis.

Welcome to Seminars in Thrombosis & Hemostasis 2021—New (2019) Impact Factor and Most Highly Cited Papers