1. Intensive Care Unit, Yanbian University Hospital, Yanji, Jilin, China (mainland)
2. College of Marine Science, Shandong University (Weihai), Weihai, Shandong, China (mainland)
3. Department of Anatomy, Medical School, Institute for Medical Sciences, Chonbuk National University, Jeonju, Jeonbuk, South Korea
4. Department of Anatomy, Histology, and Embryology, Yanbian University Medical College, Yanji, Jilin, China (mainland)