Stratified care integrated with eHealth versus usual primary care physiotherapy in patients with neck and/or shoulder complaints: protocol for a cluster randomized controlled trial.
M.L. van TIlburg; C.J.J. Kloek; M.F. Pisters; Bart Staal; J.M. van Dongen; M. de Weerd; R.W.J.G. Ostelo; N.E. Foster; C. Veenhof