Correction: Relationship between serum osteocalcin/undercarboxylated osteocalcin and type 2 diabetes: a systematic review/meta-analysis study protocol

Liu Y, Liu X, R Lewis J, et al. Relationship between serum osteocalcin/undercarboxylated osteocalcin and type 2 diabetes: a systematic review/meta-analysis study protocol. BMJ Open 2019;9:e023918. doi: 10.1136/bmjopen-2018-023918

The affiliations for the third author, Joshua R Lewis, were incomplete in the previous version of this manuscript. The correct and updated affiliations of the authors are as follows:

Yihui Liu,^1,2 Xiaoying Liu,² Joshua R Lewis,^1,2,3,4 Kaye Brock,⁵ Tara C Brennan-Speranza,⁵ Armando Teixeira-Pinto^1,2

¹Centre for Kidney Research, The Children’s Hospital, Westmead, New South Wales, Australia

²Biostatistics, School Public Health, Faculty of Medicine and Health, University of Sydney, Camperdown, New South Wales, Australia

³School of Medicine, Faculty of Health and Medical Sciences, The University of Western Australia, Perth, Australia

⁴School of Medical and Health Sciences, Edith Cowan University, Joondalup, Australia

⁵School of Medical Sciences, University of Sydney, Camperdown, New South Wales, Australia