Fig. 1From: Spinning straw into gold: description of a disruptive rheumatology research platform inspired by the COVID-19 pandemicFlow chart of study procedures. Superscript digit 1 indicates the following: if patients did not want to participate in the study, they had to actively sign out. Otherwise, they would receive an invitation (and later reminders) for the first questionnaire. Superscript digit 2 indicates the following: it was explained that filling in the questionnaire meant giving permission to use the data for the study. Patients could also sign-up their own control subject in the first questionnaireBack to article page