200
Participants
Start Date
June 30, 2011
Primary Completion Date
August 31, 2014
Study Completion Date
August 31, 2014
Vitamin D3
The treatment group receives 2,800 IU vitamin D3 per day as oily drops (Oleovit D3, producer: Fresenius Kabi Austria, A-8055 Graz) for 8 weeks
Placebo
Medical University of Graz, Graz
Medical University of Graz
OTHER