The German Twin Family Panel (TwinLife). - Mönkediek B; Lang V; Weigel L; Baum MA; Eifler EF; Hahn E; Hufer A; Klatzka CH; Kottwitz A; Krell K; Nikstat A; Diewald M; et al. (Twin research and human genetics : the official journal of the International Society for Twin Studies, 2019)