Evaluating the Patient Boarding during Omicron Surge in Hong Kong: Time Series Analysis. - Qihao Wu; Sunny Ching-long Chan; Teddy Tai Loy Lee; Kevin Wang-leong So; Omar Wai-kiu Tsui; Yong-Hong Kuo; Timothy Hudson Rainer; Abraham Ka Chung Wai (J. Medical Syst., 2023)