1. Department of Obstetrics and Gynecology, Faculty of Medicine, Thammasat University, Pathumthani 12120, Thailand
2. Lactation Clinic, Outpatient Department Thammasat University Hospital, Pathumthani 12120, Thailand
3. Department of Pediatrics, Faculty of Medicine, Thammasat University, Pathumthani 12120, Thailand
4. Thammasat University Center of Excellence in Modern Technology and Advanced Manufacturing for Medical Innovation, Thammasat University, Pathumthani 12120, Thailand