1. Department of Internal and Integrative Medicine; Kliniken Essen-Mitte; Faculty of Medicine; University of Duisburg-Essen; Essen Germany
2. Australian Research Center in Complementary and Integrative Medicine; Faculty of Health; University of Technology-Sydney; Sydney Australia
3. Department of Gynecology; Certified Breast Center; Malteser Hospital St. Anna; Duisburg Germany
4. Interdisclipinary Breast Cancer Center; Kliniken Essen-Mitte; Essen Germany