Royal Brompton and Harefield Trial Specific Documents Click on the links below to open the VitalBE Royal Brompton and Harefield-specific documents. You can print or save documents. Brief Participant Information Sheet V2 Patient Information Sheet V6 Informed Consent Form V2 GP Letter V1 Clinic Invitation Letter V1 Database Invitation Letter V1 GP Invitation Letter V1 Poster V1 Contact Card V2 Trial Medication Guide V1