1. Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
2. Forensic and Clinical Toxicology Center National Taiwan University College of Medicine and National Taiwan University Hospital, Taipei 10051, Taiwan
3. Department and Graduate Institute of Forensic Medicine, College of Medicine, National Taiwan University, Taipei 10051, Taiwan
4. Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei 10051, Taiwan
5. Kunming Prevention and Control Center, Taipei City Hospital, Taipei 108203, Taiwan
6. Leeuwenhoek Laboratories Co. Ltd., No. 71, Fanglan Rd, Taipei, 106038, Taiwan