[1] Univ Halle Wittenberg, Inst Hlth & Nursing Sci, Fac Med, D-06108 Halle, Saale, Germany
[2] Otto Von Guericke Univ, Univ Hosp, Dept Hematol & Oncol, Magdeburg, Germany
[3] Otto Von Guericke Univ, Dept Child & Adolescent Psychiat, Magdeburg, Germany
[4] Sci IT Consulting, Bettingen, Switzerland
[5] Reha Chrischona, Bettingen, Switzerland
[6] Helios Klin, Dept Surg, Sangerhausen, Germany
[7] Univ Halle Wittenberg, Univ Hosp Halle, Dept Internal Med Hematol & Oncol 4, Halle, Saale, Germany
[8] Univ Halle Wittenberg, Univ Hosp Halle, Dept Radiat Oncol, Halle, Saale, Germany
[9] Univ Halle Wittenberg, Univ Hosp Halle, Nursing Res Unit, Halle, Saale, Germany