The long and winding road to happiness: A randomized controlled trial and cost-effectiveness analysis of a positive psychology intervention for lonely people with health problems and a low socio-economic status.
Laura A WeissMartijn A H Oude VoshaarErnst T BohlmeijerGerben J WesterhofPublished in: Health and quality of life outcomes (2020)
Netherlands Trial Register: NTR3377. Registered 2 Apr 2012.