Grijpink-van den Biggelaar K, Drop SL, Schuwirth L. Development of an e-learning portal for pediatric endocrinology: educational considerations. Horm Res Paediatr. 2010;73:223-30.
Henning J, Dewal G, Quenzer M. ILIAS, Die open source Lernplatform. Handbuch für Nutzer, Doz-enten und Administratoren. Berlin, uni-edition; 2009.
http://www.ilias.de/docu
Oeffner F, Schäfer C, Fritz B, Fuchs AL, Rauschen-dorf A, König R, Kunz J. Interactive e-learning courses in human genetics: usage and evaluation by science and medical students at the faculty of medi-cin. GMS Z Med Ausbild. 2011;28(3):Doc38.
Kranenburg-van Koppen L.J.C. , Kalinka Grijpink-van den Biggelaar K, Drop SL. An interactive E-Learning Portal in Pediatric Endocrinology: Practi-cal Experience. Pharmacy 2013; 1:160-171.
Muscarella M, Kranenburg-van Koppen L, Gri-jpink-van den Biggelaar K, Drop SL. Global appli-cation of disorders of sex development-related elec-tronic resources: e-learning, e-consultation and e-information sharing. Endocr Dev. 2014;27:268-83.
Sleator RD. The evolution of eLearning back-ground, blends and blackboard.... Sci Prog. 2010;93(3):319-34.
Hörnlein A, Mandel A, Ifland M, Lüneberg E, Deckert J, Puppe F. Acceptance of medical training cases as supplement to lectures. GMS Z Med Aus-bild. 2011;28(3):Doc42