1. Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, P.R. China
2. NHC Key Laboratory of Hormones and Development (Tianjin Medical University), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin, P.R. China