Gait patterns and walking ability after training with a hybrid robotic exoskeleton compared to conventional gait training in early stroke rehabilitation

You'll have to have your doctor buy this since there is not even an abstract to go with it.  I doubt it will be very useful since I'm sure it didn't test all the walking exoskeletons out there to see which is best.
http://www.gaitposture.com/article/S0966-6362(17)30591-X/pdf