Department of Surgery, People's Hospital of Hainan Province, Haikou 570311, China;
Department of Thyroid, Mammary Gland and Blood Vessel surgery, Renmin Hospital, Hubei University of Medicine, Shiyan 442000, China;
Department of Surgery, People's Hospital of Hainan Province, Haikou 570311, China;
Department of Surgery, People's Hospital of Hainan Province, Haikou 570311, China;
Department of Surgery, People's Hospital of Hainan Province, Haikou 570311, China;