1. Institute of Dermatology, Shaanxi Institution of Traditional Chinese Medicine, Shaanxi Traditional Chinese Medicine Hospital, Xi’an, Shaanxi, China
2. The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, Shaanxi, China
3. School of Continuing Education, Xi’an Jiaotong University, Xi’an, Shaanxi, China
4. Department of Dermatology, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China