1. State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510641, China
2. Henan Provincial Key Laboratory of Functional Textile Materials, Zhongyuan University of Technology, Zhengzhou 450007, China
3. Department of Urology and Andrology, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200001, China
4. Center of Excellence for Polysaccharide Research, Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich-Schiller-University of Jena, Humboldtstr. 10, D-07743 Jena, Germany