Table 1. Circadian properties vary within the different cell lines.

Bmal1 luciferase activity	U2OS	SW480	HTC116
Period [hours]	24.2±0.2	22.0±0.1	24.4±0.4
amplitude	0.78±0.05	0.41±0.01	0.28±0.04
phase	16.6±0.1	16.7±0.3	13.7±0.3

Indicated are values for the period, amplitude and phase of Bmal1 luciferase reporter, for the cell lines classified as strong oscillators (n = 3, p<0.05, Student's t-test). The values for the periods, amplitudes and phases (mean ± SEM, n = 3) were determined with the ChronoStar analysis software [100].