1. Center for Research and Innovation; Faculty of Medical Technology; Mahidol University; Nakhon Pathom Thailand
2. Department of Clinical Chemistry; Faculty of Medical Technology; Mahidol University; Nakhon Pathom Thailand
3. The Petroleum and Petrochemical College; Chulalongkorn University; Bangkok Thailand
4. Department of Anatomy; Faculty of Dentistry; Chulalongkorn University; Bangkok Thailand