1 Department of Orthopaedics and Traumatology, North District Hospital, Sheung Shui, NT, Hong Kong SAR, China luithderek@yahoo.co.uk.
2 Shenzhen University, Shenzhen, China.
3 St Teresa's Hospital, Hong Kong SAR, China.
4 Department of Trauma and Orthopedics, Second Affiliated Hospital of Shenzhen University & Affiliated Baoan Hospital of Shenzhen, Southern Medical University, The 8th People's Hospital of Shenzhen, Shenzhen, Guangdong 518101, China.
5 Guangdong Provincial Engineering Research Center of Wound Repair and Regenerative Medicine, Guangdong Provincial Academician Workstation of Wound Repair and Regenerative Medicine, China.