%0 Editorial %T Could irritability be the key to unlocking the enigma of mixed states? %A Bell E %A Boyce P %A Porter RJ %A Bryant RA %A Malhi GS %J Bipolar Disord %V 22 %N 8 %D 12 2020 %M 33113262 %F 5.345 %R 10.1111/bdi.13029 %X