1. Homeopathy Research Institute, London, United Kingdom
2. School of Community Health and Midwifery, University of Central Lancashire, Preston, United Kingdom
3. Institute for Complementary Medicine, University of Bern, Bern, Switzerland
4. Royal London Hospital for Integrated Medicine, London, United Kingdom
5. Independent Researcher, The Netherlands
6. Cherwell Innovation Centre, Oxford, United Kingdom
7. Department of Life Sciences, University of Westminster, London, United Kingdom
8. Society for Cancer Research, Switzerland
9. Institute of Integrative Medicine, University of Witten-Herdecke, Witten, Germany