Acute Otitis Media

• South Coast ENT — Port Saint Lucie, Florida, United States
• Advanced ENT and Allergy — Louisville, Kentucky, United States
• Ear Medical Group — San Antonio, Texas, United States
• Evergreen Sinus Center — Kirkland, Washington, United States

• Spartanburg ENT — Spartanburg, South Carolina, United States

• Arkansas Children's Hospital — Little Rock, Arkansas, United States
• Children's Hospital of Los Angeles - University of Southern California School of Medicine — Los Angeles, California, United States
• Rady Children's Hospital — San Diego, California, United States
• Children's Memorial Hospital- Feinberg School Medicine, Northwestern University — Chicago, Illinois, United States

• Mehiläinen, private practice — Oulu, Finland

• Children's National Medical Center — Washington D.C., District of Columbia, United States
• Children's Hospital of Pittsburgh of UPMC — Pittsburgh, Pennsylvania, United States

• Mayo Clinic in Rochester — Rochester, Minnesota, United States

• Johns Hopkins Children's Center — Baltimore, Maryland, United States

Not specified

• The Interregional Association for Clinical Microbiology and Antimicrobial Chemotherapy — Smolensk, Russia

• Bellevue Pediatric Associates — Bellevue, Pennsylvania, United States
• Allegheny General Hospital — Pittsburgh, Pennsylvania, United States