Quellen
*Bech P. Clinical Psychometrics. Oxford, Wiley-Blackwell 2012.
*Mit freundlicher Genehmigung von Topp CW, Østergaard SD, Søndergaard S, Bech P. The WHO-5 Well-being Index:
A systematic review of the Literature. Psychotherapy & Psychosomatics 2015;84(3):167-76.