1. Institute of Complementary Medicine, University of Bern, Bern, Switzerland.
2. Scientific & Regulatory Affairs, Hevert-Arzneimittel GmbH & Co. KG, Nussbaum, Germany.
3. Society for Cancer Research, Arlesheim, Switzerland.
4. Institute of Integrative Medicine, University of Witten/Herdecke, Witten, Germany.
5. Homeopathy Research Institute, London, United Kingdom.