1. Department of Materials Science & Engineering; City University of Hong Kong; 83 Tat Chee Avenue 999077 Kowloon Hong Kong Special Administrative Region China
2. Institute of Textiles and Clothing; Hong Kong Polytechnic University; Hung Hum 999077 Kowloon Hong Kong Special Administrative Region China
3. Shenzhen Research Institute; City University of Hong Kong; Shenzhen 518000 China