1. Strength and Conditioning Department, Beijing Research Institute of Sports Science, Beijing, China;
2. BSports Department, Beijing Yanding Sports Culture Corporation, Beijing, China;
3. New Zealand Rugby Union, Wellington, New Zealand;
4. Canadian Sport Institute Pacific, Victoria, British Columbia, Canada;and
5. Sports Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology (AUT), AUT Millennium, Rosedale, New Zealand