[1] Philipps Univ Marburg, Dept Gen Practice & Family Med, Karl von Frisch Str 4, D-35032 Marburg, Germany
[2] Profess Assoc Specialised Palliat Homecare Hesse, Wiesbaden, Germany
[3] Philipps Univ Marburg, Dept Anaesthesia & Intens Care Therapy, Marburg, Germany
[4] Philipps Univ Marburg, Cilin Hematol Oncol & Immunol, Marburg, Germany