Correction to: Trading-Off Transit and Non-Transit Physical Activity among Older People: Evidence from Longitudinal Accelerometer Data of a Natural Experiment Study
1 Urban Analytics and Interventions Research Lab, Department of Urban Planning and Design, The University of Hong Kong, Hong Kong SAR, China.
2 Urban Analytics and Interventions Research Lab, Department of Urban Planning and Design, The University of Hong Kong, Hong Kong SAR, China. gbsun@hku.hk.