Perrig-Chiello, P., Knöpfli, B. & Hutchison, S. (2016). Vulnerability following a critical life event: temporary crisis or lasting distress? A psychological controversy and its methodological implications. In M. Oris, C. Roberts, D. Joye & M. E. Staehli (Eds.), Surveying human vulnerabilities across the life course (pp. 87-113): SpringerOpen.