Effects and Acceptability of a 1-Week Home-Based Virtual Reality Training for Supporting the Management of Stress and Anxiety: Randomized Pilot Trial - Federica Pallavicini; Eleonora Orena; Lisa Arnoldi; Federica Achille; Stefano Stefanini; Maddalena Cassa; Alessandro Pepe; Guido Veronese; Luca Bernardelli; Francesca Sforza; Sara Fascendini; Carlo Alberto Defanti; et al. (JMIR Serious Games)