Table 1.

Study design.

	Screening	Baseline	Period 1		Outcome	Wash-out period	Period 2		End of study
			Session 1	Session 2			Session 1	Session 2
Visit	V1	V2	V3 ~ V6	V7 ~ V11	V11	2 weeks	V12 ~ V16	V17 ~ V21	V22
ENROLLMENT
Informed consent	V
Eligibility screen	V	V
Randomized allocation		V
Taking a clinical photo	V
MRI-based simulation and planning for tDCS		V
INTERVENTIONS
Personalized tDCS Sham-tDCS		V	V	V			V	V
ASSESSMENTS
Outcome variables		V
Vital signs	V	V	V	V	V	V	V	V	V
Physical examination	V	V
K-CRS-R		V			V				V
EEG		V							V
NCS-R		V	V	V	V	V	V	V	V
MRI, fMRI, and PET scan		V							V
Other variables Adverse events		V	V	V		V	V	V	V