1. Department of Human Anatomy, Henan University of Chinese Medicine, Zhengzhou, Henan, China
2. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
3. Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China
4. University of Chinese Academy of Sciences, Beijing, China