1. Division of Pharmacogenomics and Personalized Medicine, Department of Pathology, Faculty of Medicine, Ramathibodi HospitalMahidol University Bangkok Thailand
2. Laboratory for Pharmacogenomics, Somdech Phra Debaratana Medical Center (SDMC)Ramathibodi Hospital Bangkok Thailand
3. Clinical Pharmacy Division, Department of Pharmacy, Faculty of PharmacyMahidol University Bangkok Thailand
4. Division of Dermatology, Department of Pediatrics, Faculty of MedicineChulalongkorn University Bangkok Thailand
5. Division of Allergy and Clinical Immunology, Department of Medicine, Faculty of Medicine, The Skin and Allergy Research UnitChulalongkorn University Bangkok Thailand
6. The Thai Severe Cutaneous Adverse Drug Reaction (THAI‐SCAR) Research GroupChulalongkorn University Bangkok Thailand
7. Division of Allergy Immunology and Rheumatology, Department of Medicine, Faculty of Medicine, Ramathibodi HospitalMahidol University Bangkok Thailand
8. Division of Neurology, Department of Medicine, Faculty of Medicine, Ramathibodi HospitalMahidol University Bangkok Thailand