1. Department of Dermatology and Venereology Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Hospital Central Jakarta Indonesia
2. Clinical Epidemiology and Evidence‐Based Medicine Unit Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Hospital Central Jakarta Indonesia
3. Department of Internal Medicine Faculty of Medicine Universitas Indonesia, Dr. Cipto Mangunkusumo National Hospital Central Jakarta Indonesia