1. CIBERehd. IIS Aragón; Universidad de Zaragoza; Zaragoza; Spain
2. Northshore University HealthSystem; Evanston; IL; USA
3. The Chinese University of Hong Kong; Hong Kong; China
4. University of Alabama; Birmingham; AL; USA
5. University of Virginia; Charlottesville; VA; USA
6. Pfizer Inc; New York; NY; USA
7. University of Michigan; Ann Arbor; MI; USA