1. Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, 117576, Singapore
2. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block Level 10, Singapore 119228
3. Division of Critical Care, Institute of Sports and Exercise Health, University College London Hospitals, U.K., and Centre for Human Health and Performance, University College London, London WC1E 6BT, United Kingdom