1. Children’s Mercy Hospital, Kansas City, Missouri, USA
2. Indiana University School of Medicine, Indianapolis, Indiana, USA
3. Wayne State University School of Medicine, Detroit, Michigan, USA
4. Valley Children’s Hospital, Fresno, California, USA
5. BC Children’s and Women’s Hospital, Vancouver, British Columbia, Canada
6. Centre de Recherche Saint-Louis, Quebec City, Canada
7. Medical College of Wisconsin, Milwaukee, Wisconsin, USA
8. Microbiology Specialists Inc., Houston, Texas, USA