Protocol of the Nurses’ Mental Health Study (NMHS): a nationwide hospital multicentre prospective cohort study Authors Yusheng Tian (ORCID: https://orcid.org/0009-0003-9805-361X) Jiaxin Yang (ORCID: https://orcid.org/0000-0003-4593-0597) Zengyu Chen (ORCID: https://orcid.org/0009-0008-1196-0468) Yamin Chen (ORCID: https://orcid.org/0000-0002-1610-0650) Chongmei Huang (ORCID: https://orcid.org/0000-0001-6794-0724) Meng Ning (ORCID: https://orcid.org/0000-0003-3883-7079) Shuiyuan Xiao (ORCID: https://orcid.org/0000-0002-7770-3797) Qiang Yu (ORCID: https://orcid.org/0000-0003-1263-3158) Yamin Li (ORCID: https://orcid.org/0000-0002-8396-5208) Xuting Li (ORCID: https://orcid.org/0000-0001-9557-838X) Institutions Central South University (CN) University of Washington (US) Ningxia Medical University (CN) Hunan Provincial People's Hospital (CN) Second Xiangya Hospital of Central South University (CN) Xiangya Hospital Central South University (CN) Funders Health Commission of Hunan Province Explore the Global Research Space Interactive Map