1. Center for Sensory-Motor Interaction (SMI), Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
2. Center for Neuroplasticity and Pain (CNAP), Department of Health Science and Technology, Aalborg University, Aalborg, Denmark
3. Department Physical Therapy, Occupational Therapy, Rehabilitation, and Physical Medicine, University Rey Juan Carlos, Alcorcón, Spain
4. Department of Oral Anatomy & Physiology, School of Stomatology, The Fourth Military Medical University, Xi'An, P.R. China
5. Department of Acupuncture and Moxibustion, Beijing Hospital of Traditional Chinese Medicine Capital Medical University, Beijing, P. R. China