1 2 3 4 5 6
gene_id,chromosome,position,mutation_type,effect GENE001,chr1,12345,SNP,missense GENE002,chr2,67890,INDEL,frameshift GENE003,chr1,54321,SNP,silent GENE004,chr3,98765,mutation,deleterious GENE005,chr2,11111,SNP,missense