1. School of Electronics and Information Engineering; University of Science and Technology Liaoning; Liaoning China
2. Department of Psychological Sciences; University of Liverpool; Liverpool UK
3. School of Dentistry; University of Manchester; Manchester UK
4. School of Dentistry; University of Sulaimani; Sulaimani Iraq
5. Department of Imaging and Printing Technology; Chulalongkorn University; Chulalongkorn Thailand
6. National Key Lab of Colour Science and Engineering; Beijing Institute of Technology; Beijing China
7. School of Healthcare Science; Manchester Metropolitan University; Manchester UK