Regional Maxillofacial Unit;
University Hospital Aintree;
Liverpool;
L97LN;
United Kingdom;
Evidence-Based Practice Research Centre;
Faculty of Health;
Edge Hill University;
St Helens Road;
Ormskirk;
L39 4QP;
United Kingdom;
Faculty of Medicine;
University of Liverpool;
Duncan Building;
Daulby Street;
Liverpool;
L69 3GA;
United Kingdom;
Pain; Health; related; quality; of; life; Patient; Concerns; Inventory; Head; and; neck; cancer; Mouth; neoplasm; Quality; of; life; Questionnaire;