Intentions of Patients With Cancer and Their Relatives to Use a Live Chat on Familial Cancer Risk: Results From a Cross-Sectional Web-Based Survey. - Memenga, Paula; Baumann, Eva; Luetke Lanfer, Hanna; Reifegerste, Doreen; Geulen, Julia; Weber, Winja; Hahne, Andrea; Müller, Anne; Weg-Remers, Susanne (Journal of Medical Internet Research, 2023)