PCAT-2 Collaborative Group:Study Chairs: Eric Boersma, PhD, Erasmus Medical Center, Rotterdam, the Netherlands; R. John Simes, MD, FRACP, National Health and Medical Research Counsel Clinical Trials Centre, University of Sydney, Sydney, Australia; Cindy L. Grines, MD, Beaumont Hospital, Royal Oak, Michigan. Trialists: Zwolle studies: Menko-Jan de Boer, MD, PhD, Isala Klinieken, Zwolle, the Netherlands; Felix Zijlstra, MD, PhD, University Medical Center Groningen, Groningen, the Netherlands; Expedito Ribeiro, MD, PhD, Heart Institute of the University of São Paulo, São Paulo, Brazil; Liliana Grinfeld, MD, Hospital Italiano, Buenos Aires, Argentina; Fawaz Akhras, MD, Cromwell Hospital, London, England; and Sahko Kedev, MD, Skopje Clinic Center, Skopje, Macedonia. PRAGUE (PRimary Angioplasty in patients transferred from General community hospitals to specialized percutaneous coronary angioplasty Units with or without Emergency thrombolysis) Study: Petr Widimský, MD, PhD, Cardiocenter Vinohrady, Prague, Czech Republic; and Marcus A. DeWood, MD, Deaconess Medical Center, Spokane Heart Research Foundation, Spokane, Washington. Mayo Trial: Raymond J. Gibbons, MD, Mayo Clinic, Rochester, Minnesota. PAMI (Primary Angioplasty in Myocardial Infarction) and Air PAMI studies: Cindy L. Grines, MD. GUSTO-IIb (Global Utilization of Strategies to Open Occluded Coronary Arteries) Study: Christopher B. Granger, MD, and Robert Califf, MD, Duke University Medical Center, Durham, North Carolina; Paul W. Armstrong, MD, University of Alberta, Edmonton; and R. John Simes, MD, FRACP, University of Sydney. JIMI (Japanese Intervention Trial in Myocardial Infarction): Hidehiko Aoki, MD, Iwate Medical University, Morioka, Japan; Joao Morais, MD, Santo André's Hospital, Leiria, Portugal; Flavio Ribichini, MD, University of Verona, Cuneo, Italy; and Eulogica Garcia, MD, University Hospital Gregorio Maranon, Madrid, Spain. Limburg Myocardial Infarction Trial: Fritz Bär, MD, PhD, University of Maastricht, Maastricht, the Netherlands. STAT (Stenting vs Thrombolysis in Acute Myocardial Infarction Trial): Michel R. LeMay, MD, Ottawa Heart Institute, Ottawa, Ontario. STOPAMI (Stent vs Thrombolysis for Occluded Coronary Arteries in Patients With Acute Myocardial Infarction) studies: Adnan Kastrati, MD, and Albert Schömig, MD, Deutsches Herzzentrum München, Munich, Germany. C-PORT (Cardiovascular Patient Outcomes Research Team) Trial: Thomas Aversano, MD, The Johns Hopkins School of Medicine, Baltimore, Maryland. DANAMI-2 (Second Danish Trial of Acute Myocardial Infarction): Henning Rud Andersen, MD, and Torsten T. Nielsen, MD, Aarhus University Hospital, Aarhus, Denmark.