Fig. 4

a Age at diagnosis in the MPS III patients. b Time between the first visit to a GP for an MPS III-related symptom and the final diagnosis. c Time between the first visit to a medical specialist for an MPS III-related symptom and the final diagnosis. In all figures, time is presented in months. The MPS III patients were divided into groups based on the year of diagnosis. One patient never visited the GP for an MPS III-related symptom