1. First school of Clinical Medicine of Nanjing University of Chinese Medicine, Nanjing, China.
2. Department of Traditional Chinese Medicine, Liuzhou Maternity and Child Healthcare Hospital, Liuzhou, China.
3. Department of Traditional Chinese Medicine, Affiliated Maternity Hospital and Affiliated Children's Hospital of Guangxi University of Science and Technology, Liuzhou, China.
4. The First Affiliated Hospital of Yunnan University of Chinese Medicine, Kunming, China.