Specimens	Age groups	Male		Female
Specimens	Age groups	Referent	T1DM	Referent	T1DM
Scalp hair	1 - 5	270	50.3	272	52.8
	6 - 10	201	26.7	205	27.0
	11 - 14	171	15.8	164	16.2
Blood	1 - 5	7515	1513	9038	1742
	6 - 10	5006	776	5179	749
	11 - 14	3559	487	3680	447
Serum	1 - 5	7207	1950	8593	2316
	6 - 10	5729	1046	6204	1216
	11 - 14	4435	676	4504	777