1. Muñoz Sastre, M. T. (1999). Lay conceptions of well-being and rules used to judge well-being in young adults, middle-aged and elderly people. Social Indicators Research, 47, 203–231
2. Theuns, P., Hofmans, J., & Verresen, N. (2007). A functional measurement inquiry on the contribution of different life domains to overall subjective well-being. Teorie and Modelli [Special Issue on Functional Measurement], 12, 181–189
3. Theuns, P., Verresen, N., Mairesse, O., Goossens, R., Michiels, L., Peeters, E., & Wastiau, M. (2010). An experimental approach to the joint effects of relations with partner, friends and parents on happiness. Psicológica [Special Issue on Functional Measurement], 31, 629–645
4. The EuroQol Group. (1990). EuroQol-a new facility for the measurement of health-related quality of life. Health Policy, 16, 199–208
5. Calvert, M., Pall, H., Hoppitt, T., Eaton, B., Savill, E., & Sackley, C. (2013). Health-related quality of life and supportive care in patients with rare long-term neurological conditions. Quality of Life Research, 22, 1231–1238. https://doi.org/10.1007/s11136-012-0269-5