1. Key Laboratory of Eco-textiles, Ministry of Education, College of Textiles and Clothing, Jiangnan University, Wuxi, China
2. Key Laboratory of Textile Science & Technology, Ministry of Education, College of Textiles, Donghua University, Shanghai, China
3. Jiangxi Provincial Center for Quality Inspection and Supervision on Down Products, Gongqingcheng, China
4. University of California at Davis, USA