1. State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Advanced Materials of Ministry of Education, School of Materials Science and Engineering, Tsinghua University, Beijing, China
2. Department of Neurosurgery, The First Affiliated Hospital of Baotou Medical School, Baotou, China
3. Dongzhimen Hospital Affiliated Beijing University of Chinese Medicine, Beijing, China
4. Department of Bioengineering, Rice University, Houston, TX, USA
5. Beijing Allgens Medical Science and Technology Co., Ltd., Beijing, China