1. San Diego Zoo Wildlife Alliance , San Diego, California, United States
2. Key Laboratory of Southwest China Wildlife Resources Conservation (part of the Ministry of Education) China West Normal University , Nanchong, China
3. Liziping Giant Panda Ecology and Conservation Observation and Research Station of Sichuan Province, China West Normal University , Nanchong, China
4. Key Laboratory of Southwest China Wildlife Resources Conservation (part of the Ministry of Education), China West Normal University , Nanchong, China
5. Liziping Giant Panda Ecology and Conservation Observation and Research Station of Sichuan Province, at China West Normal University , Nanchong, China