1. Tianjin Key Laboratory of Composite and Functional MaterialsSchool of Materials Science and EngineeringTianjin University Tianjin 300072 China
2. Department of NeurosurgeryTianjin Medical University General HospitalLab of Neuro‐oncologyTianjin Neurological InstituteKey Laboratory of Post‐Neuro injury Neuro‐repair and Regeneration in Central Nervous SystemMinistry of Education and Tianjin City Tianjin 300052 China
3. Institute for Translational MedicineQingdao University Qingdao 266021 China
4. Department of Chemical and Biomolecular EngineeringUniversity of California Los Angeles CA 90095 USA
5. Department of PathologyAffiliated hospital of Hebei University Baoding 071000 China