Integrative medicine during the intensive phase of chemotherapy in pediatric oncology in Germany: a randomized controlled trial with 5-year follow up oleh Georg Seifert, Sarah B. Blakeslee, Gabriele Calaminus, Farid I. Kandil, Andrea Barth, Toralf Bernig, Carl Friedrich Classen, Selim Corbacioglu, Jürgen Föll, Sven Gottschling, Bernd Gruhn, Claudia vom Hoff-Heise, Holger N. Lode, David Martin, Michaela Nathrath, Felix Neunhoeffer, Arnulf Pekrun, Beate Wulff, Tycho Zuzak, Günter Henze, Alfred Längler