1. Department of Laboratory Medicine, Weifang Medical University, Weifang, Shandong, China (mainland)
2. School of Clinical Medicine, Weifang Medical University, Weifang, Shandong, China (mainland)
3. Department of Pathology, Weifang Maternal and Child Health Care Hospital, Weifang, Shandong, China (mainland)
4. Department of Otolaryngology, Weifang People’s Hospital, Weifang, Shandong, China (mainland)