Moyamoya disease | Spontaneous occlusion of the circle of Willis | Moyamoya Disease | Progressive Intracranial Occlusive Arteropathy (Moyamoya) | Moyamoya Syndrome | Moya-Moya Disease | Disease, Moya-Moya | Moya Moya Disease | Cerebrovascular Moyamoya Disease | Moyamoya Disease, Primary | Disease, Primary Moyamoya | Moyamoya Diseases, Primary | Primary Moyamoya Disease | Primary Moyamoya Diseases | Moyamoya Disease, Classic | Classic Moyamoya Disease | Disease, Classic Moyamoya | Moyamoya Disease, Secondary | Secondary Moyamoya Disease |