Table 1.

Eligibility criteria.

Inclusion Criteria	Widespread chronic pain of any origin (including axial pain, polyarthralgia, and myofascial pain)
	Able to provide informed written consent
	≥18 years
	Able to commit time to the trial treatment schedule of 6 weeks
	Score as low or moderate risk on the COVID-19 risk stratification tool—applicable for the duration of the pandemic
Exclusion Criteria	Pregnancy
	Score as high risk on the COVID-19 risk stratification tool—applicable for the duration of the pandemic
	Body weight ≥136 kg
	Uncontrolled co-morbidities (e.g., uncontrolled diabetes defined as HbA1c >69 mmol/mol, decompensated heart failure, major psychiatric disturbance such as acute psychosis or suicidal ideation)
	Use of systemic corticosteroid therapy including oral prednisolone or corticosteroid injections within the preceding 6 months
	Known active malignancy
	Inability to enter the NovoTHOR® device or lie flat for 20 min (either due to physical reasons or other e.g., claustrophobia);
	Individuals speaking a language for which an interpreter cannot be sought (Oromo, Tigranian, Amharic, Greek)