[1] LMU Univ Hosp, Dept Palliat Med, Munich, Germany
[2] Univ Augsburg, Fac Med, Palliat Med, Augsburg, Germany
[3] Comprehens Canc Ctr Alliance WERA CCC WERA, Wurzburg,Erlangen,Regensburg, Augsburg, Germany
[4] Univ Munster, Inst Ethics Hist & Theory Med, Munster, Germany
[5] Martin Luther Univ Halle Wittenberg, Inst Hist & Ethics Med, Med Fac, Interdisciplinary Ctr Hlth Sci, Halle, Germany
[6] Friedrich Alexander Univ Erlangen Nurnberg FAU, Dept Palliat Med, Univ Klin Erlangen, Erlangen, Germany