The usefulness of combined brain perfusion single-photon emission computed tomography, Dopamine-transporter single-photon emission computed tomography, and 123I-metaiodobenzylguanidine myocardial scintigraphy for the diagnosis of dementia with Lewy bodies … Read More: The usefulness of combined brain perfusion single-photon emission computed tomography, Dopamine-transporter single-photon emission computed tomography, and 123I-metaiodobenzylguanidine myocardial scintigraphy for the diagnosis of dementia with Lewy bodies