Article Correctness Is Author's Responsibility: Comprehensive reviews by leading experts focus on challenging areas of vitamin D research

(International Osteoporosis Foundation) Although much is known about the important role of vitamin D in bone metabolism and in certain areas of non-skeletal health, there are many open questions and topics of debate. This special issue of Calcified Tissue International features seven state-of-the-art expert reviews which provide insights into current consensus and new directions of research in a wide range of topics -- including vitamin D's role in maternal health, rheumatoid arthritis, respiratory disease, and muscle.