Shimizu, Y., Kadone, H., Kubota, S., Suzuki, K., Saotome, K., Ueno, T., … Yamazaki, M. (2018). Voluntary ambulation using voluntary upper limb muscle activity and Hybrid Assistive Limb® (HAL®) in a patient with complete paraplegia due to chronic spinal cord injury: A case report. The Journal of Spinal Cord Medicine, 1-9. https://doi.org/10.1080/10790268.2017.1423267 (Original work published 2018)