by University of Helsinki Olfactory bulb/peduncle alpha-synuclein staining predominance categorized by LRP progression-based classification [6]. Percentages add up to 100% within each LRP progression-based classification category, meaning all the caudo-rostral cases equal 100% spread across negative, peripheral and anterior olfactory nucleus predominance for alpha-synuclein staining. Similarly, the amygdala-based category cases add up to 100% spread across the...