S-4 Safety and Efficacy of Cellular Therapy Products   S4-1. Review Points for Application of Cellular and Tissue-Based Products   S4-2. In Vitro Proliferation and Clinical Trial of Blood Stem Cells   S4-3. Development for in Vitro Fully Designed Capillary Formation of Endothelial Cells   S4-4. Endothelial Progenitor Cells for Regeneration   S4-5. Articular Cartilage Repair   S4-6. Myocardial Regeneration Therapy Using Autologous Cell for Severe Heart Failure   S4-7. General Remarks on the Development of Cellular Tissue Based Medical Devices   S4-8. Safety Evaluation of Mesenchymal Stem Cells Ued for Cinical Aplications and Tissue-Engineered Medical Devices