1. Department of Medical Genetics, Maternal and Child Health Hospital of Hunan Province, Changsha, China
2. National Health Commission Key Laboratory of Birth Defects Research, Prevention and Treatment, Hunan Provincial Maternal and Child Health Care Hospital, Changsha, China
3. Department of School of Life Sciences, Central South University, Changsha, China
4. Department of Otorhinolaryngology, Maternal and Child Health Hospital of Hunan Province, Changsha, China