1. Khon Kaen University; Department of Biostatistics and Demography, Faculty of Public Health; Mitraparp Road Mueng District Khon Kaen Khon Kaen Thailand 40002
2. Chiangrai Prachanukroh Hospital; Medical Technology Department; 1039 Satanpayabarn Rd Chaingrai Thailand 57000
3. The University of Auckland; Liggins Institute; Park Rd Grafton Auckland New Zealand 1142
4. Khon Kaen Hospital; Department of Obstetrics and Gynaecology; Srichan Road Maung Khon Kaen Thailand 40000
5. University of Auckland; School of Pharmacy; Private Bag 92019 Grafton Campus Auckland New Zealand
6. University of Auckland; Molecular Medicine and Pathology Department; Park Rd Grafton Auckland - None - New Zealand 1142
7. University of Auckland; Department of Obstetrics and Gynaecology; Park Rd Grafton Auckland New Zealand 1003