Existential Loneliness Among Older People from the Perspective of Health Care Professionals: A European Multicenter Study

Anna-Karin Edberg, Giusy Trogu, Alessandra Manattini, Agnieszka Renn-Żurek, Daria Maria Modrzejewska, Elżbieta Barbara Woźnicka, Silvia Popovici, Liliana Pintilie, Ingela Beck, Akvilė Virbalienė, Aurelija Šiurienė