1. Institute for Musculoskeletal Research and Clinical Implementation, Anglo-European College of Chiropractic, 13-15 Parkwood Road, Bournemouth BH5 2DF, UK
2. Fort Sam Houston, US Army-Baylor University, San Antonio, TX 78234, USA
3. Faculty of Science & Technology, Technological and Higher Education Institute of Hong Kong, Hong Kong
4. Ortho Kinematics Inc., 1704 Bee Caves Road, Building 3, Suite 315, Austin, TX 78746, USA