Authors: Victor H F Lee; Dora L W Kwong; Ka-On Lam; Yu-Ching Lai; Yun Li; Chi-Chung Tong; Patty P Y Ho; Wing-Lok Chan; Lai-San Wong; Dennis K C Leung; Sum-Yin Chan; Fong-Ting Chan; To-Wai Leung; Anne W M Lee Journal: Medicine (Baltimore) Date: 2017-04 Impact factor: 1.889