1 Rheumatology Unit, Department of Paediatrics, Anna Meyer Children's Hospital, University of Florence, Viale Pieraccini 24, 50139, Florence, Italy. [email protected].
2 Rheumatology Unit, Department of Paediatrics, Anna Meyer Children's Hospital, University of Florence, Viale Pieraccini 24, 50139, Florence, Italy.
3 Ophthalmology Unit, Department of Pediatrics, Anna Meyer Children's Hospital, University of Florence, Florence, Italy.
4 Ophthalmology Department, Polytechnic University of Marche, Ancona, Italy.