- Patients who speak English (or read one of the languages for which a translation is available must consent to complete the mandatory dysphagia-related patient reported instrument (MDADI); if the patient cannot understand spoken English and reads only languages not available in the MDADI translations, the patient can still participate in the trial, as this has been factored into the trial statistics; for all other patients, the MDADI is mandatory as it is included in the primary endpoint to be studied