[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Control Group / Sham Group", "treatment_type": "Device", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Experimental group/ Active HD-tDCS", "treatment_type": "Device", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "nan", "treatment_id": 572, "treatment_name": "High-definition transcranial direct current stimulation (hd-tdcs)", "treatment_type": "Medical device", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]