RT @MigraineTrust@twitter.com: Here's a survey that explores the predictors of quality of life in people with non-visible chronic illness. It is being run by Millie Weston at Nottingham Trent University. To take part, you need to have at least one non-visible condition. https://ntupsychology.eu.qualtrics.com/jfe/form/SV_eRqlXbYowxSuLzL