please develop an entity relationship diagram.

A health care organization keeps track of its doctors and outpatient locations For each doctor it keeps track of the DoctorID (unique), DoctorName, and DoctorYear OfMDGraduation (year of graduating from medical school) For each outpatient location it keeps track of the OLID (unique and OLName Each doctor works at either between one and many outpatient locations and each outpatient location must have at least one but can have many doctors working at it For each occurrence of a doctor working at an outpatient location we keep track of the NoOfHoursPerWeek (number of hours per week that a doctor works at an outpatient location)