University hospital essen, Essen, Northrhine westphalia, Germany
Klinik für Senologie / Brustzentrum, Kliniken Essen-Mitte, Essen, Germany
Brustzentrum Köln-Hohenlind, St. Elisabeth-Krankenhaus Köln-Hohenlind, Köln, Germany
Department of Internal and Complementary Medicine, Immanuel Hospital Berlin, Berlin, Germany
Department for Internal and Integrative Medicine, Essen-Mitte Clinics, Essen, Germany
Klinik für Naturheilkunde, Essen, Germany
Kliniken Essen-Mitte, Essen, NRW, Germany
Klinik für Naturheilkunde, Essen, Germany
Center of Internal Medicine, University of Essen Medical School, Essen, Germany
Klinik für Naturheilkunde und Integrative Medizin, Essen, NRW, Germany
Klinik für Naturheilkunde und Integrative Medizin, Essen, Germany
Department of Neurology, University of Duisburg-Essen, Essen, Germany