System Immersion in Virtual Reality-Based Rehabilitation of Motor Function in Older Adults: A Systematic Review and Meta-Analysis. - Emil Rosenlund Høeg; Tina Myung Povlsen; Jon Ram Bruun-Pedersen; Belinda Lange; Niels Christian Nilsson; Kristian Birkemose Haugaard; Sune Mølgård Faber; Søren Willer Hansen; Charlotte Kira Kimby; Stefania Serafin (Frontiers Virtual Real., 2021)