Introd.: Pablo Lozano Lominchar. Hospital General Universitario Gregorio Marañón. Madrid, Spain

Aviram Nissan. Ziv Medical Center. Sefad, Israel

Li Yan. Tsinghua University School of Clinical Medicine. Beijing Tsinghua Changgung Hospital. Beijing, China

Joana Vidal. Hospital del Mar. Barcelona, Spain

Diane Goere. Hôpital Saint-Louis AP-HP. Paris, France

Claudio Quadros. Hospital São Rafael, Rede D’Or/São Luiz. Salvador, Brasil