1 State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Center for Tissue Engineering, Fourth Military Medical University, Xi'an, Shaanxi 710032, China.
2 Research and Development Centre for Tissue Engineering, Fourth Military Medical University, Xi'an, Shaanxi, China.
3 Department of Stomatology, the 306th Hospital of PLA, Beijing 100101, China.
4 State Key Laboratory of Military Stomatology &National Clinical Research Center for Oral Diseases & Shaanxi Clinical Research Center for Oral Diseases, Department of Orthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.
5 Department of Burns and Plastic surgery, Tangdu Hospital, Fourth Military University, Xi'an, Shaanxi, 710038, China.
6 Department of Otolaryngology, Xijing Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, China.