1. Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Palaeontology and Palaeoanthropology; Chinese Academy of Sciences; Beijing 100044 China
2. Department of Scientific History and Archaeometry, School of Humanities; University of Chinese Academy of Sciences; Beijing 100049 China
3. Graduate School of Chinese Academy of Social Sciences; Beijing 102488 China
4. Chinese Academy of Cultural Heritage; Beijing 100029 China