A 4-item measure of depression and anxiety: Validation and standardization of the Patient Health Questionnaire-4 (PHQ-4) in the general populationBernd Löwe, Elmar Brähler, Inka Wahl et al.|Journal of Affective Disorders|2009Cited by 2.5k
Loneliness in the general population: prevalence, determinants and relations to mental healthManfred E. Beutel, Ana N. Tibubos, Eva M. Klein et al.|BMC Psychiatry|2017Cited by 1.3k
The Somatic Symptom Scale–8 (SSS-8)Benjamin Gierk, Bernd Löwe, Sebastian Kohlmann et al.|JAMA Internal Medicine|2013Cited by 725
Loneliness before and during the COVID-19 pandemic: A systematic review with meta-analysis.Mareike Ernst, Manfred E. Beutel, Elmar Brähler et al.|American Psychologist|2022Cited by 541
Teststatistische Prüfung und Normierung der deutschen Versionen des EUROHIS-QOL Lebensqualität-Index und des WHO-5 Wohlbefindens-IndexElmar Brähler, Silke Schmidt, Holger Mühlan et al.|Diagnostica|2007Cited by 455