300
Participants
Start Date
January 1, 2025
Primary Completion Date
December 31, 2025
Study Completion Date
December 31, 2026
Vitamin D
Vitamin D oral supplementation
2nd Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou
Yiwu Fuyuan Private Hospital
UNKNOWN
Hangzhou Xiaoshan Traditional Chinese Orthopedic Hospital
UNKNOWN
Second Affiliated Hospital, School of Medicine, Zhejiang University
OTHER