1 Department of Hand & Reconstructive Microsurgery, National University Health System, Tower Block, Level 11, 1E Kent Ridge Road, Singapore 119228. Electronic address: sandeep_sebastin@nuhs.edu.sg.
2 Department of Hand and Reconstructive Microsurgery, National University Hospital, NUHS Tower Block, Level 11, 1E Kent Ridge Road, Singapore 119228. Electronic address: david_mk_tan@nuhs.edu.sg.