Seasonal variation in D2/3 dopamine receptor availability in the human brain. - Sun, Lihua; Malén, Tuulia; Tuisku, Jouni; Kaasinen, Valtteri; Hietala, Jarmo A.; Rinne, Juha; Nuutila, Pirjo; Nummenmaa, Lauri (European Journal of Nuclear Medicine & Molecular Imaging, 2024)