1 Jie Wei, MSc, Department of Hematology, People's Hospital of Baise, Baise, Guangxi, China, Department of Hematology, The Southwest Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China; and Dalang Fang, MSc, Department of Breast and Thyroid Surgery, The Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China.