[{"arm_notes": "nan", "treatment_id": null, "treatment_name": "vitamin D", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "nan", "treatment_id": null, "treatment_name": "vitamin D", "treatment_type": "Drug", "pharmacological_treatment": "Pharmacological treatment"}]

[{"arm_notes": "low dose", "treatment_id": 1370, "treatment_name": "Vitamin d", "treatment_type": "Vitamins and dietary supplements", "pharmacological_treatment": "Pharmacological treatment"}, {"arm_notes": "High dose", "treatment_id": 1370, "treatment_name": "Vitamin d", "treatment_type": "Vitamins and dietary supplements", "pharmacological_treatment": "Pharmacological treatment"}]