1. Spain National Centre, Foundation Centre for Osteopathic Medicine Collaboration, Barcelona, Spain
2. Iberoamerican Cochrane Centre - Sant Pau Biomedical Research Institute, IIB Sant Pau, Barcelona, Spain
3. A.T. Still Research Institute, A.T. Still University, Kirksville, MO, USA
4. Clinical-Human Research Department, Non-Profit Foundation COME Collaboration, Pescara, Italy
5. Foundation Centre for Osteopathic Medicine Collaboration, Italy National Centre, Pescara, Italy
6. Research Department, University College of Osteopathy, London, UK
7. Malta ICOM Educational, San Giljan, Malta