1 Division of Paediatric Endocrinology and Diabetology, Paediatrics, Department of Mother and Child, Azienda USL-IRCCS di Reggio Emilia, Viale Risorgimento, 80 42123, Reggio Emilia, Italy. mariaelisabeth.street@ausl.re.it.
2 Microbiome Research Hub, University of Parma, Parma, Italy.