1. Oral and Maxillofacial Radiology Applied Oral Sciences and Community Dental Care, Faculty of Dentistry, The University of Hong Kong Hong Kong China
2. Research Imaging Institute University of Texas Health Science Center San Antonio Texas USA
3. Department of Radiology University of Texas Health Science Center San Antonio Texas USA
4. Institute of Systems Neuroscience, Medical Faculty Heinrich Heine University Düsseldorf Düsseldorf Germany
5. Institute of Neuroscience and Medicine, Brain & Behaviour (INM‐7) Research Centre Jülich Jülich Germany