Author Affiliations +
Juan Liu,1 Mee-Mann Chang,2 Mark V. H. Wilson,1 Alison M. Murray1
1Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada, juan.liu@ualberta.ca
2Key Laboratory of Vertebrate Evolution and Human Origin of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China