1. Department of Emergency Medicine, The Fifth People's Hospital of Huai'an and Huai'an Hospital Affiliated to Yangzhou University, Huai'an, People’s Republic of China
2. Department of Clinical Medicine, Medical College, Yangzhou University, Yangzhou, People’s Republic of China
3. Department of General Medicine, The Affiliated Huai'an Hospital of Xuzhou Medical University and Huai'an Second People's Hospital, Huai'an, People’s Republic of China