Fig. A.1.
The averaged frame of each dataset. Dataset 1: A slightly active culture containing a mix of various cell types, different cell sizes and aggregates. The bar represents 400 µm (a). Dataset 2: An active culture consisting of densely-packed cells. The bar represents 200 µm (b). Dataset 3: An active culture consisting of separated cells. The bar represents 250 µm(estimated) (c).