Fig. 5

a Number of SCMR scientific session titles within major subject categories - trends over 20 years. b SCMR scientific session subject categories demonstrating “Super Growth” – defined as absolute growth ≥ 8 session titles over a 20-year time span. c SCMR scientific session subject categories demonstrating “Growth” – defined as absolute growth ≥ 4 session titles over a 20-year time span. d Several SCMR scientific session subject categories did not exist in the first time period, but exhibited significant growth in recent years