**About the Editor**

**Rafael Comesa ˜na** received his M.SC in Mechanical Engineering from the University of Vigo, Spain, in 2006. In the LaserON—Laser Applications Research Group of the University of Vigo, he conducted his Ph.D. research on additive manufacturing based on laser cladding for the production of bone functional implants, graduating in 2010. He performed research stays in the Department of Materials of the Imperial College London, in the Laboratoire pour l'Application des Laser de Puissance—LALP of Arts et Metiers ParisTech, in the Barts, and The London School of ´ Medicine and Dentistry, and in the Institute of Biomedical Optics of the University of Lubeck. In 2012, ¨ he joined the Department of Materials Engineering, Applied Mechanics, and Construction of the University of Vigo, where he is associated professor.
