1. Department of Dermatology and Venereology dr. M. Djamil Hospital Padang West Sumatera Indonesia
2. Department of Dermatology and Venereology, Faculty of Medicine Universitas Andalas Padang West Sumatera Indonesia
3. Klinik Utama Griya Satya Estetik Padang West Sumatera Indonesia
4. Department of Pharmacology and Therapeutic, Faculty of Medicine Universitas Andalas Padang West Sumatera Indonesia