Table 1. Using frequency of heatmap.

Journal	Num. of papers	Num. of heatmapsa	Per.b
Nature Biotechnology	81	19	23.46%
Cancer Cell	106	40	37.74%
Genome Research	144	58	40.28%
Genome Biology	92	26	28.26%
Molecular & Cellular Proteomics	241	59	24.48%

To estimate how many papers contain heatmaps, we went through all original research papers (excluding reviews and other articles) published in 2012 of five leading journals as below.

^aNum. of Heatmaps, the number of papers containing with at least one heatmap figure;

^bPer., the percentiles.