Recruiting young pre-symptomatic children for a clinical trial in type 1 diabetes: Insights from the Fr1da insulin intervention study oleh Kerstin Kick, Robin Assfalg, Susanne Aydin, Susanne Bechtold-Dalla Pozza, Dominik Böcker, Sonja Braig, Melanie Bunk, Desiree Dunstheimer, Alevtina Durmashkina, Uwe Ermer, Antonia Gavazzeni, Eva-Maria Gerstl, Melanie Heinrich, Melanie Herbst, Yvonne Kriesen, Ursula Kuhnle-Krahl, Herbert Müller, Nicole Nellen-Hellmuth, Christian Ockert, Claudia Ramminger, Marina Sindichakis, Stefanie Tretter, Katharina Warncke, Peter Achenbach, Anette-G. Ziegler, Verena S. Hoffmann