Separation Anxiety

• Bradley Hospital — East Providence, Rhode Island, United States

• Johns Hopkins University — Baltimore, Maryland, United States
• Hospital of the University of Pennsylvania — Philadelphia, Pennsylvania, United States
• Baylor College of Medicine — Houston, Texas, United States

• Haseki training and research hospital — Istanbul, Fatih, Turkey (Türkiye)

• Baylor College of Medicine — Houston, Texas, United States

• Eye and ENT Hospital of Fudan University — Shanghai, China

Not specified

• Child and Adolescent Mental Health Services Östersund — Östersund, Jämtland County, Sweden

Not specified

• Baylor College of Medicine — Houston, Texas, United States

• Ahmed S. Shehab — Alexandria, Alexandria Governorate, Egypt