Table 1. Experimental Parameters and How They Vary within the 81 Studies Part of This Review’s Cohort^a.

experimental parameter	variability found within the studies
matrix polymer	24 different types 14% synthetic vs 86% natural
experiment duration	from >24 h to 21 days
cell-lines	33 different types
matrix stiffness	from 50 Pa to 300 kPa 19% of stiffness outside of physiological range
stiffness measurement methodology	44% rheology, 31% AFM

^aThis summarizes data found in Figure 5 and supplementary tables 1 and 4.