1 Department of Imaging and Interventional Radiology, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, N.T., Hong Kong SAR, China.
2 JC Centre for Osteoporosis Care and Control, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, N.T., Hong Kong SAR, China.
3 Department of Medicine and Therapeutics, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, N.T., Hong Kong SAR, China.