1 Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand; Metabolomics Research Group for Forensic Medicine and Toxicology, Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
2 Toxicology Section, Regional Medical Science Center 1 Chiang Mai 191 Tumbon Don Keaw, Ampher Mae Rim, Chiang Mai, 50180, Thailand.
3 Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand; Metabolomics Research Group for Forensic Medicine and Toxicology, Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand. Electronic address: churdsak.j@cmu.ac.th.