Lookup NU author(s): Dr Haiyan Zheng
This is the authors' accepted manuscript of an article that has been published in its final definitive form by Sage Publications Ltd., 2020.
For re-use rights please refer to the publisher's terms and conditions.
Author(s): Zheng H, Hampson LV, Wandel S
Publication type: Article
Publication status: Published
Journal: Statistical Methods in Medical Research
Print publication date: 01/01/2020
Online publication date: 16/01/2019
Acceptance date: 26/11/2018
Date deposited: 09/05/2019
ISSN (print): 0962-2802
ISSN (electronic): 1477-0334
Publisher: Sage Publications Ltd.
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