Pulmonary Atelectasis

• Archbishop Makarios III Hospital — Nicosia, Cyprus
• Oulu University Hospital — Oulu, Finland
• Academic Medical Center — Amsterdam, Netherlands
• VU University Medical Center — Amsterdam, Netherlands

• Hospital Privado de Comunidad — Mar del Plata, Buenos Aires, Argentina

• Ain Shams University cardiothoracic hospital — Cairo, Egypt

• Cecilia M. Acosta — Mar del Plata, Buenos Aires, Argentina

• University of Virginia Medical Center — Charlottesville, Virginia, United States

• Västmanlands sjukhus Köping — Köping, Västmanland County, Sweden

• Department of Anaesthesia and Intensive Care — Köping, Sweden

Not specified

• Karolinska Institute Danderyd Hospital — Stockholm, Sweden

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