De Donatis was hospitalized at the Agostino Gemelli University Policlinic. In 1870 he became professor and director of the policlinic at Heidelberg. He was hospitalized on 30 March 2020 at the Agostino Gemelli University Policlinic. Auto policlinic was established during this time. He set up a policlinic in the north of Berlin. Public healthcare clinics and policlinic does also exist in Kuching Division. In 1884 he established a new policlinic in Berlin, where he provided classes for physicians.