1. Institute of Dermatology Bangkok Thailand
2. Department of Pharmaceutical Care, Faculty of Pharmacy Chiang Mai University Chiang Mai Thailand
3. Pharmacoepidemiology and Statistics Research Center (PESRC), Faculty of Pharmacy Chiang Mai University Chiang Mai Thailand
4. Division of Nephrology, Department of Internal Medicine, Faculty of Medicine Chiang Mai University Chiang Mai Thailand
5. Ottawa Hospital Research Institute Ottawa Hospital Ottawa Ontario Canada
6. Institute of Clinical and Evaluative Sciences ICES uOttawa Ottawa Ontario Canada
7. School of Epidemiology and Public Health, Faculty of Medicine University of Ottawa Ottawa Ontario Canada
8. Division of Nephrology, Department of Medicine University of Ottawa Ottawa Ontario Canada
9. Department of Dermatology, Venereology and Allergology Wroclaw Medical University Wroclaw Poland
10. Allergy Section, Division of Immunology, Department of Internal Medicine, College of Medicine University of Cincinnati Cincinnati Ohio USA
11. Division of Dermatology, Department of Internal Medicine, Faculty of Medicine Chiang Mai University Chiang Mai Thailand