Table 1. Patient demographic characteristics.

No.	Age	Gender	Handedness	Duration of illness (years)	Medication (daily doses)
NF group
1	54	M	L	1	lofepramine 140 mg, mirtazapine 30 mg
2	67	M	R	49	amitriptyline 75 mg
3	37	M	R	6	tranylcypromin 40 mg, lithium 400 mg
4	21	M	R	2	fluoxetine 40 mg
5	44	M	R	20	mirtazapine 30 mg
6	56	M	R	20	sertraline 200 mg, reboxetine 8 mg
7	47	M	R	25	citalopram 60 mg, quetiapine 100 mg
8	61	M	R	31	fluoxetine 20 mg
IM group
9	39	M	R	20	duloxetine 60 mg
10	59	M	R	9	lithium 1200 mg, venlafaxine 225 mg
11	65	F	R	40	sertraline 100 mg
12	49	M	R	20	reboxetine 4 mg
13	64	F	R	12	citalopram 20 mg
14	29	M	L	18	citalopram 30 mg
15	44	F	R	20	citalopram 20 mg
16	39	M	R	14	citalopram 40 mg