1. Key Laboratory of Bio-Resource and Eco-Environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, P.R. China.
2. Department of Thoracic Surgery, West China Hospital, Sichuan University, Chengdu, P.R. China.
3. State/National Key Laboratory of Biotherapy, Sichuan University, Chengdu, P.R. China.