Outcomes of a Multicenter Safety and Efficacy Study of the SuitX Phoenix Powered Exoskeleton for Ambulation by Patients With Spinal Cord Injury oleh Paul Aarne Koljonen, Paul Aarne Koljonen, Anna Sternin Virk, Yoon Jeong, Michael McKinley, Juan Latorre, Amaya Caballero, Yong Hu, Yat Wa Wong, Kenneth Cheung, Homayoon Kazerooni