[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "Olfactory training with essential oils", "treatment_type": "Other", "pharmacological_treatment": "TODO"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "Olfactory training with fragrance-free oils", "treatment_type": "Other", "pharmacological_treatment": "TODO"}]

[{"arm_notes": "nan", "treatment_id": 2163, "treatment_name": "Modified olfactory training (12 essential oils)", "treatment_type": "Olfactory training", "pharmacological_treatment": "Non pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": 919, "treatment_name": "Olfactory training", "treatment_type": "Olfactory training", "pharmacological_treatment": "Non pharmacological treatment"}]