1. Department of Biology, University of Toronto Mississauga, Mississauga, Ontario, Canada
2. Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Canada
3. Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, Lucas Heights, New South Whales, Australia
4. International Center of Future Science, Dinosaur Evolution Research Center, Jilin University, Changchun, Jilin Province, China