Fig. 3From: The Tuscany Regional Network for rare diseases: from European Reference Networks’ experience to registry based organisation and management model for rare diseasesa Network model, including subnets. b Network model, CCMR and Ups only. ERN = European Reference Network; CCMR = rate disease coordination centre (Centro di Coordinamento Malattia Rara in Italian); SRC = clinical subnet (Sottorete clinica in Italian); UP = Hosptial unit part of a CCMR or of a SRC (Unità di Percorso in Italian)Back to article page