Clinical guidelines on antidepressant withdrawal urgently need updating. (21st May 2019) - Davies, James; Read, John; Hengartner, Michael P; Cosci, Fiammetta; Fava, Giovanni; Chouinard, Guy; van Os, Jim; Nardi, Antonio; Gøtzsche, Peter; Groot, Peter; Offidani, Emanuela; Timimi, Sami; et al.