1. Department of Clinical Laboratory, Linhai Traditional Chinese Medicine Hospital Medical Community, Linhai, Zhejiang 317000, P.R. China
2. Department of Medical Genetics and Prenatal Diagnosis, Lianyungang Maternal and Child Health Hospital, Lianyungang, Jiangsu 222000, P.R. China
3. Department of Clinical Laboratory, Lianyungang Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Lianyungang, Jiangsu 222004, P.R. China