1. Division of Gastroenterology Department of Internal Medicine Kaohsiung Medical University Hospital Kaohsiung Taiwan
2. Department of Internal Medicine Faculty of Medicine College of Medicine Kaohsiung Medical University Kaohsiung Taiwan
3. Department of Internal Medicine Kaohsiung Municipal Siaogang Hospital Kaohsiung Taiwan
4. Department of Dermatology Kaohsiung Veterans General Hospital Kaohsiung Taiwan
5. Department of Dermatology Faculty of Medicine in Rabigh Kingdom of Saudi Arabia King Abdulaziz University Jeddah Saudi Arabia
6. Center for Research & Development Kaohsiung Municipal Siaogang Hospital Kaohsiung Taiwan
7. Department of Dermatology and Allergy Technical University of Munich Munich Germany