Create a ERD diagram follwoing this:

Entities

Entities

Doctor

Nurse

Patient

Equipment

Company

Clinic

University

Certification

HelpDesk

Relationships

Doctors/Nurse WorkIn Clinic

Doctor/Nurse attend Universities

Doctors/Nurse receive Certificates

Nurse TendTo Patient

Doctors diagnose Patient

Company produce Equipment

Doctors/Nurse use Equipment

Patients registerWith HelpDesk

Attributes

Address (AddressID, Street, ZipCode, State)

Employee (EmpID, FirstName, LastName, EmailAddress, DOB, AddressID(FK), ClinicID(FK))

Doctor (EmpID, Specialty, CertificationID(FK), UniversityID(FK))

Nurse (EmpID, CertificationID, UniversityID)

Patient (PatientID, FirstName, LastName, DOB)

Company (CompanyID, CompanyName)

Equipment (EquipmentID, EquipmentType, EquipmentName)

University (UniversityID, UniversityName)

Certificate (CertificateID, CertificationType, CertificationName)

Clinic (ClinicID, Location, AddressID)