“A PhD is just going to somehow break you”: A qualitative study exploring the role of peer support for doctoral students - Fiona Newlands; Tanvi Markan; Isabelle Pomfret; Emily Davey; Tom King; Anna Roach; Millie Wagstaff; Tom G. Osborn; Roz Shafran; Polly Livermore; Michelle de Haan; Jeanne Wolstencroft; et al. (PLoS ONE)