1. Hebei Research Institute of Sports Sciences, 372 Zhongshan East Road, Shijiazhuang, Hebei 050011, China
2. Dalian Sports Science Research Institute, 31 Shikui Road, Dalian, Liaoning 116011, China
3. Wenzhou Sports Science Research Institute, 22 Youyongqiao Road, Wenzhou, Zhejiang 325000, China
4. Shanghai Sports Sciences Research Institute, 87 Wuxing Road, Shanghai 200030, China
5. Guangdong Sports Science Research Institute, 818 Aoti Road, Guangzhou, Guangdong 510663, China
6. Visiana, Søllerødvej 57 C, 2840 Holte, Denmark