Interoperability Standards for Data Sharing as a Basis to Fill in a Tailored EHR for Undiagnosed Rare Diseases. - Norbert Maggi; Ariam Boaglio; Carmelina Ruggiero; Roberto Fancellu; Francesco Cocchiara; Domenico Coviello; Deborah Capanna; Mauro Giacomini (EFMI-STC, 2021)