EffEx-HN trial: study protocol for a randomized controlled trial on the EFFectiveness and feasibility of a comprehensive supervised EXercise program during radiotherapy in Head and Neck cancer patients on health-related quality of life

Abstract Background With over 500,000 annually reported cases worldwide, head and neck cancer (HNC) is the seventh most common type of cancer worldwide.Treatment of HNC with chemoradiotherapy frequently results in serious impairments in physical and psychosocial functioning.Besides, HNC patients typically start their cancer treatment already with p

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A diagrammatic approach to variational quantum ansatz construction

Variational quantum eigensolvers (VQEs) are a promising class of quantum algorithms for preparing approximate ground states in near-term quantum devices.Minimizing the error in such an approximation requires designing ansatzes using physical considerations that target the studied system.One such consideration is size-extensivity, meaning that the g

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