1. Department of Dermatology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea.
2. Department of Dermatology, Korea University Ansan Hospital, Ansan, Korea.
3. Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea.
4. Department of Dermatology, National Medical Center, Seoul, Korea.
5. Department of Dermatology, Ajou University School of Medicine, Suwon, Korea.
6. Department of Dermatology, Sanggye Paik Hospital, Inje University College of Medicine, Seoul, Korea.
7. Department of Dermatology, Inje University Ilsan Paik Hospital, Goyang, Korea.
8. Department of Dermatology, Hanyang University College of Medicine, Seoul, Korea.
9. Department of Dermatology, School of Medicine, Pusan National University, Busan, Korea.
10. AbbVie Ltd, Seoul, Korea.
11. AbbVie Ltd, Singapore.
12. Department of Dermatology, Hallym University Sacred Heart Hospital, Anyang, Korea.