Heike Baumgarten, MD1; A. Rolf, MD2,3,4; Maren Weferling, MD2,3; Tanja Graessle, MD5; Ulrich Fischer-Rasokat, MD2,3; T. Keller, MD2,3; W.K. Kim, MD1,2,3,4; Oliver Dörr, MD2,3,4; Holger Nef, MD2,3,4; Tomas Holubec, MD1,3,5; Stephan Fichtlscherer, MD3,6; Thomas Walther, MD1,3,5; Christian Wilhelm Hamm, MD2,3,4; Yeong-Hoon Choi, MD1,3; Mani Arsalan, MD1,3,4,5*; Christoph Liebetrau, MD2,3,4*