Melatonin In Acute Mania Investigation (MIAMI‐UK): A randomised controlled trial of add‐on melatonin in bipolar disorder by Quested, DJ, Gibson, JC, Sharpley, AL, Cordey, JH, Economou, A, De Crescenzo, F, Merryn Voysey, Lawson, J, Rendell, JM, Al-Taiar, H, Lennox, A, Ahmad, F, Geddes, JR