AE	Adverse event
CMH	Cochran–Mantel–Haenszel
CRT	Chemoradiation therapy
FACT-HN	Functional Assessment of Cancer Therapy for Subjects with Head & Neck Cancer
HNC	Head and neck cancer
OM	Oral mucositis
OMDQ	Oral Mucositis Daily Questionnaire
LTFU	Long-term follow-up
NC	Non-compliant
PT	Preferred Term
RTQA	Radiation Therapy Quality Assurance
SAE	Severe adverse event
SOM	Severe oral mucositis
STFU	Short-term follow-up
TEAE	Treatment-emergent AEs
WHO	World Health Organization