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* 1. Demographic information

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* 2. How many patients with head and neck cancer are treated in your Centre each year?

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* 3. Are you

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* 4. Mucositis assessment: which scale do you use?

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* 5. Mean percentage of pts developing

  less than 10% 10-20% 21-30% 31-40% 41-50% 51-60% 61-70% 81-90% 91-100%
- all grade mucositis
- grade 3-4 mucositis

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* 6. How do you score the following patient-related risk factors for mucositis development, measured before treatment start? Please score from 1 (less important risk factor) to 10 (most important)

  1 2 3 4 5 6 7 8 9 10
- Active exposure to oral stressors (smoke, alcohol) and/or low oral hygiene
- Weight loss
- Low nutritional profile and/or basal PCR value
- Metabolic comorbidities (e.g. diabetes)
- Genetic susceptibility (e.g. polymorphism in detoxifying enzymes)
- Performance status
- planned radiotherapy dose on superior pharyngeal constrinctor muscles
- planned radiotherapy dose on mucosa of oral cavity and oropharynx
- radiotherapy in postoperative setting
- concurrent use of radiosensitizing chemotherapy

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* 7. In which percentage of patients do you suggest gastrostomy insertion before treatment start?

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* 8. Which are the main determinants that guide decision on gastrostomy placement before therapy (multiple choices allowed)?

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* 9. In which percentage of patients do you place nasogastric feeding tube during radio(chemo)therapy?

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* 10. Do you usually prescribe antimicotic/antibiotic drugs as preventive measures?

T