1. Ningxia Key Laboratory of Cranio‐maxillofacial Deformities, College of Stomatology Ningxia Medical University Yinchuan China
2. Stomatological Hospital of the General Hospital of Ningxia Medical University Yinchuan China
3. Department of Preventive Dentistry, Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Stomatology Hospital Xi'an Jiaotong University Xi'an China
4. Neuro‐SysMed, Center of Excellence for Clinical Research in Neurological Diseases, Department of Neurology Haukeland University Hospital Bergen Norway
5. Department of Clinical Medicine University of Bergen Bergen Norway