Analysis of Postural Control in Sitting by Pressure Mapping in Patients with Multiple Sclerosis, Spinal Cord Injury and Friedreich's Ataxia: A Case Series Study. - María Mercedes Reguera-García; Raquel Leirós-Rodríguez; Lorena Álvarez-Barrio; Beatriz Alonso-Cortés Fradejas (Sensors, 2020)