Participating patients will be examined clinically for dermatologic pathologies at a single visit. In the case of signs of dermatologic disease, investigators are going to recommend further diagnostic procedures to the physician in charge and/or the referring physician, depending on the urgency of the suspected diagnosis. This procedure is meant to avoid giving referring physicians the impression that active patient acquisition for the department of Dermatology is an aim of this study. Diagnostic procedures that are performed upon suspicion of a specific dermatologic disease at the Division of Internal Medicine are going to be performed during the hospitalisation period. All other diagnostic or operative procedures are going to be advised to the referring physician.