1. Anesthesiology Columbia University College of Physicians and Surgeons New York New York USA
2. Orthopedic Surgery Columbia University College of Physicians and Surgeons New York New York USA
3. Anesthesiology and Pediatrics Columbia University College of Physicians and Surgeons New York New York USA
4. Anesthesiology, Perioperative and Pain Medicine Texas Children's Hospital, Baylor College of Medicine Houston Texas USA
5. Anesthesiology and Epidemiology Columbia University College of Physicians and Surgeons New York New York USA