1. Anesthesiology Department, Mont Blanc Regional Hospital, Sallanches-Chamonix, France.
2. Acupuncture Department, Clinic Dr. Benoît Fanara, Annecy-le-Vieux, Annecy, France.
3. Ear-Nose-and-Throat Unit, Departement des Neurosciences Cliniques, Geneva University Hospital, Genève, Switzerland.