[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Electronic portable aromatic rehabilitation (EPAR) diffuser", "treatment_type": "Device", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Electronic portable aromatic rehabilitation (EPAR) diffuser;Vitamin A", "treatment_type": "Device;Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]

[{"arm_notes": "", "treatment_id": 1656, "treatment_name": "Olfactory training+vitamin a", "treatment_type": "Olfactory training+vitamins and dietary supplements", "pharmacological_treatment": "Non pharmacological treatment+pharmacological treatment"}, {"arm_notes": "", "treatment_id": 919, "treatment_name": "Olfactory training", "treatment_type": "Olfactory training", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "", "treatment_id": 2188, "treatment_name": "Standard of care", "treatment_type": "Standard of care", "pharmacological_treatment": "Standard of care"}]