[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Active tDCS", "treatment_type": "Device", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Sham tDCS", "treatment_type": "Device", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "", "treatment_id": 1310, "treatment_name": "Transcranial direct-current stimulation", "treatment_type": "Medical device", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]