##fileformat=VCFv4.1
##source=shearwater variant caller
##INFO=<ID=ER,Number=1,Type=Float,Description="Error rate">
##INFO=<ID=AF,Number=1,Type=Float,Description="Allele frequency in cohort">
##INFO=<ID=LEN,Number=1,Type=Float,Description="Length of the alt allele">
##FORMAT=<ID=GT,Number=1,Type=String,Description="Genotype">
##FORMAT=<ID=GQ,Number=1,Type=Integer,Description="Genotype Quality">
##FORMAT=<ID=QV,Number=1,Type=Float,Description="Q value">
##FORMAT=<ID=VF,Number=1,Type=Float,Description="Variant frequency in sample">
##FORMAT=<ID=FW,Number=1,Type=Integer,Description="Forward variant read count">
##FORMAT=<ID=BW,Number=1,Type=Integer,Description="Backward variant read count">
##FORMAT=<ID=FD,Number=1,Type=Integer,Description="Read Depth forward">
##FORMAT=<ID=BD,Number=1,Type=Integer,Description="Read Depth backward">
#CHROM	POS	ID	REF	ALT	QUAL	FILTER	INFO
