1. Department of Family and Community Medicine, Center for Integrative Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
2. Institute for Complementary and Integrative Medicine, University Hospital Zurich and University of Zurich, Zurich, Switzerland
3. Geisinger Commonwealth School of Medicine, Scranton, Pennsylvania, USA
4. Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
5. University of Michigan College of Literature, Ann Arbor, Michigan, USA
6. University of Maryland Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland, USA
7. Department of Pharmacology, University of Maryland School of Medicine, Baltimore, Maryland, USA
8. Department of Medical Oncology, West Virginia University School of Medicine, Morgantown, West Virginia, USA
9. West Virginia University Cancer Institute, Morgantown, West Virginia, USA
10. Department of Behavioral and Community Health, University of Maryland, College Park, Maryland, USA
11. Health Sciences and Human Services Library, University of Maryland, Baltimore, Maryland, USA