Table 1.

Datasets and number of samples used for the meta-analysis.

Dataset (Group)	Number	Type of samples
George et al [8]	Whole genome - 110	Primary tumors and cell lines
Rudin et al [5]	Exome - 63	Primary tumors and cell lines
Umemura et al [7]	Exome - 51	Primary tumors
Iwakawa et al [11]	Exome - 44	Primary tumors and metastases