G Bill Gogas Metropolitan General Hosp., GREECE Eberhard Grube Univ. Hosp. Bonn, GERMANY Flavia Geraldes The Lancet, UK Jimena Gonzalez Huerta Universidad Alfonso X el Sabio, SPAIN Juan Luis Gutiérrez-Chico Jena University Hosp., GERMANY Kirk N Garratt Christiana Care, USA