@@ -503,6 +503,8 @@ readSimpleNucleotideVariationMaf <- function(files){

                     TRANSCRIPT_STRAND = col_integer(),

                     PICK = col_integer(),

                     TSL = col_integer(),

+                    Allele =  col_character(),

+                    Tumor_Seq_Allele2 = col_character(),

                     DISTANCE = col_integer()

                 ))