Prof. Kuroda joined The International Symposium 2017 “Will Extracellular Vesicles Replace Stem Cells As Therapeutic Agents?” held in Warsaw, Poland on September 28, 2017. In this symposium, He gave a 30-min lecture, entitled “Bone Marrow Stromal Cell Transplantation for Ischemic Stroke – The Long & Winding Road for A Neurosurgeon”.