1 Department of Pediatrics, Longgang District Maternity and Child Healthcare Hospital, Shenzhen, China.
2 Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, Shenzhen, China.
3 Shenzhen Middle School, Shenzhen, China.
4 Department of Nutrition, BGI Nutrition Precision Co., Ltd., Shenzhen, China.
5 The Outpatient Department, Longgang District Social Welfare Center, Shenzhen, China.
6 Department of Microbial Research, WeHealthGene Institute, Joint Laboratory of Micro-Ecology and Children's Health, Shenzhen Children's Hospital, Shenzhen WeHealthGene Co., Ltd., Shenzhen, China.