1 Department of Anaesthesiology, Singapore General Hospital, Singapore.
2 Division of Plastic, Reconstructive and Aesthetic Surgery, National University Hospital, Singapore. Electronic address: [email protected].
3 Division of Industrial Design, National University of Singapore, Singapore; Keio-NUS CUTE Center, National University of Singapore, Singapore.
4 Division of Plastic, Reconstructive and Aesthetic Surgery, National University Hospital, Singapore; Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore. Singapore.