1. From the Baylor College of Medicine Ben Taub General Hospital Houston TX
2. the First Pavlov State Medical University of St. Petersburg St. Petersburg Russia
3. the Department of Emergency Medicine Texas Tech University Health Sciences Center El Paso TX
4. the Scientific Centre of Children's Health Russian Academy of Medical Science Moscow Russia
5. the Scientific Research Institution for Complex Issues of Cardiovascular Disease Kemerovo Medical University Kemerovo Russia
6. AstraZeneca Gaithersburg MD
7. AstraZeneca Gothenburg Sweden
8. and the Department of Emergency Medicine Henry Ford Hospital Detroit MI