1. Department of Obstetrics, Gynaecology and Reproduction; Research Unit of Obstetrics and Reproduction in Animals; Faculty of Veterinary Science; Chulalongkorn University; Bangkok Thailand
2. National Nanotechnology Centre (NANOTEC); National Science and Technology Development Agency; Pathumthani Thailand
3. Bio Analysis Group, Chemical Metrology and Biometry Department; National Institute of Metrology (NIMT); Pathumthani Thailand