# TWB mQTL summary statistics
column 
1    	phe_id phenotype id: CpG ID
2    	phe_chr	The phenotype chromosome
3    	phe_from	Start position of the phenotype (GRCh37)
4    	phe_to	End position of the phenotype (GRCh37)
5    	phe_strd	The phenotype strand
6    	n_var_in_cis	The number variants in the cis window for this phenotype.
7    	dist_phe_var	The distance between the variant and the phenotype start positions.
8    	var_id	The variant ID.
9    	var_chr	The variant chromosome.
10    	var_from	The start position of the variant. (GRCh37)
11    	var_to	The end position of the variant. (GRCh37)
12    	nom_pval	The nominal p-value of the association between the variant and the phenotype.
13    	r_squared	The r squared of the linear regression.
14    	slope	The beta (slope) of the linear regression.
15    	slope_se	The standard error of the beta. Only printed if --std-err is provided.
16    	best_hit	Whether this varint was the best hit for this phenotype.