title: Erratum to: 'Chinese medicine combined with calcipotriol betamethasone and calcipotriol ointment for Psoriasis vulgaris (CMCBCOP): study protocol for a randomized controlled trial'.
authors.affiliation: Key Unit of Methodology in Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.|National Centre for Design Measurement and Evaluation in Clinical Research, Guangzhou University of Chinese Medicine, 12 Jichang Road, Guangzhou, 510405, China.
authors.forename: Ze-Huai
authors.initials: ZH
authors.lastname: Wen
authors.affiliation: Key Unit of Methodology in Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.
authors.forename: Mei-Ling
authors.initials: ML
authors.lastname: Xuan
authors.affiliation: Department of Dermatology, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.
authors.forename: Yu-Hong
authors.initials: YH
authors.lastname: Yan
authors.affiliation: Key Unit of Methodology in Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.
authors.forename: Xiao-Yan
authors.initials: XY
authors.lastname: Li
authors.affiliation: Department of Dermatology, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.
authors.forename: Dan-Ni
authors.initials: DN
authors.lastname: Yao
authors.affiliation: Key Unit of Methodology in Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.
authors.forename: Geng
authors.initials: G
authors.lastname: Li
authors.affiliation: Key Unit of Methodology in Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.
authors.forename: Xin-Feng
authors.initials: XF
authors.lastname: Guo
authors.affiliation: Key Unit of Methodology in Clinical Research, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China.
authors.forename: Ai-Hua
authors.initials: AH
authors.lastname: Ou
authors.affiliation: Department of Dermatology, Guangdong Provincial Hospital of Chinese Medicine, 111 Dade Road, Guangzhou, 510120, China. luchuanjian888@vip.sina.com.
authors.forename: Chuan-Jian
authors.initials: CJ
authors.lastname: Lu