[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Non-invasive vagus nerve stimulation", "treatment_type": "Device", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Non-invasive vagus nerve stimulation;Sham Intervention", "treatment_type": "Device;Device", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "nan", "treatment_id": 903, "treatment_name": "Non-invasive vagus nerve stimulator", "treatment_type": "Medical device", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2187, "treatment_name": "Placebo", "treatment_type": "Placebo", "pharmacological_treatment": "Placebo"}]