Mesenchymal Stromal Cell (MSC) biology has been studied for more than 4 decades and the cells have been investigated for potential clinical applications for more than 15 years. Progress has become exponential over the past decade due mainly to the broad therapeutic potential of these cells. However, MSC studies have also been subject to controversy and increasing scrutiny as new mechanisms of action are reported and ever-expanding therapeutic applications pursued. In this book, leading authorities from all over the world, who are actively involved in this field, provide state-of-the-art...