Agaplesion Markus Krankenhaus;
Frankfurt am Main;
Germany;
Dr. Horst-Schmidt Klinik;
Wiesbaden;
Germany;
Kliniken Essen Mitte;
Essen;
Germany;
Breast; Cancer; Primary; Metastatic; Breast; Cancer; Therapy; of; Metastatic; Breast; Cancer; Survival; of; Metastatic; Breast; Cancer;