TABLE 3.

Assessment points and methods included in them.

Designation	Weeks since T1	Assessment
T1	0	TFI, ITHQ, BAI, SDS, WHO-QoL-BREF
T2	2	TFI, ITHQ, BAI, SDS, WHO-QoL-BREF, blinding
T3	8	TFI, ITHQ, BAI, SDS, WHO-QoL-BREF
T4	24	TFI, ITHQ, BAI, SDS, WHO-QoL-BREF

Six sessions of tDCS were applied in 2 weeks between T1 and T2. Adverse effects were assessed between T1 and T2 during each session. TFI, Tinnitus Functional Index; ITHQ, Iowa Tinnitus Handicap Questionnaire; BAI, Beck Anxiety Inventory; SDS, Zung Self-rating Depression Scale; WHO-QoL, World Health Organization Quality of Life abbreviated version.