1. Key Laboratory of Adaptation and Evolution of Plateau Biota; Northwest Institute of Plateau Biology; Chinese Academy of Sciences; Xining 810001 China
2. Graduate University of Chinese Academy of Sciences; Beijing 100049 China
3. School of Life and Environment Sciences; Hangzhou Normal University; Hangzhou 310012 China
4. Behavioral Neuroscience Branch; Intramural Research Program; NIDA; NIH; 251 Bayview Boulevard Baltimore MD 21224 USA