e-health machine learning 4 IMU 3 gait analysis 3 healthcare 3 Humanities 2 Social interaction 2 Technology: general issues 2 aging 2 augmented reality 2 awareness 2 data fusion 2 deep learning 2 electrocardiogram 2 heart rate 2 inertial sensor 2 inertial sensors 2 m-health 2 physical activity 2 physical environment 2 physiotherapy 2 rehabilitation 2 wearable device 2 1D pooling 1 AFCCQ 1 AI 1 Age-Friendly Cities 1 Alzheimer's disease 1 Baduanjin 1 Bland-Altman plots 1