Authors: Andrzej T Slominski; Zorica Janjetovic; Brian E Fuller; Michal A Zmijewski; Robert C Tuckey; Minh N Nguyen; Trevor Sweatman; Wei Li; Jordan Zjawiony; Duane Miller; Tai C Chen; Gerard Lozanski; Michael F Holick Journal: PLoS One Date: 2010-03-26 Impact factor: 3.240