부록 1. 연구 참여 아동 정보

Group	Case no.	Gender	Age at initial visit	Age at onset	Duration of treatment	Treatment type at initial visit	Stuttering severity at initial visit
CWS(n=6)	CWS1	F	2;1	1;10	3 months	Indirect	Not rated
	CWS2	F	2;10	1;11	3 months	Indirect	Moderate
	CWS3	F	3;4	2;5	12 months	Indirect, Direct	Moderate
	CWS4	M	3;9	3;5	12 months	Indirect, Direct	Moderate
	CWS5	M	4;9	3;3	3 months	Indirect	Moderate
	CWS6	F	5;7	5;0	No	No	Mild
CWNS (n=6)	CWNS1	M	2;3	-	-	-	Less than mild
	CWNS2	F	2;7	-	-	-	Less than mild
	CWNS3	M	3;11	-	-	-	Less than mild
	CWNS4	M	4;10	-	-	-	Less than mild
	CWNS5	F	4;11	-	-	-	Less than mild
	CWNS6	F	5;4	-	-	-	Less than mild

CWS, children who stutter; CWNS, children who do not stutter.