Elements of Return-to-Work Interventions for Workers on Long-Term Sick Leave: A Systematic Literature Review. - de Geus, Christa J. C.; Huysmans, Maaike A.; van Rijssen, H. Jolanda; de Maaker-Berkhof, Marianne; Schoonmade, Linda J.; Anema, Johannes R. (Journal of Occupational Rehabilitation, 2025)