8,851
Participants
Start Date
September 30, 2015
Primary Completion Date
June 30, 2019
Study Completion Date
June 30, 2020
Cholecalciferol (vitamin D3)
14000 IU vitamin D3 weekly Experimental group will receive vitamin D supplement (Tishcon, USA).
Placebo
Placebo group will receive placebo (Tishcon, USA) weekly.
Mongolian Health Initiative, Ulaanbaatar
Harvard School of Public Health (HSPH)
OTHER