Is teachers' mental health and wellbeing associated with students' mental health and wellbeing? - Harding, Sarah; Morris, Richard; Gunnell, David; Ford, Tamsin; Hollingworth, William; Tilling, Kate; Evans, Rhiannon; Bell, Sarah; Grey, Jillian; Brockman, Rowan; Campbell, Rona; Araya, Ricardo; et al. (Journal of Affective Disorders, 2019)