1. Department of Physical Medicine and Rehabilitation Hospital Professor Doutor Fernando Fonseca Amadora Portugal
2. Department of Pain Medicine Mayo Clinic Jacksonville Florida USA
3. Department of Anesthesiology Mayo Clinic Jacksonville Florida USA
4. Department of Anesthesiology and Critical Care Memorial Sloan Kettering Cancer Center New York New York USA
5. Department of Surgery Mayo Clinic Jacksonville Florida USA
6. Department of Physical Medicine and Rehabilitation Mayo Clinic Jacksonville Florida USA