1. Department of Pathology, Columbia University, New York, New York, United States
2. Department of Plastic and Reconstructive Surgery, Weill Cornell Medical College, New York, New York, United States
3. Department of Pediatric Cardiology, New York Medical College, Valhalla, New York, New York, United States
4. Department of Pediatric Surgery, University Medicine Mainz, Johannes Gutenberg University, Mainz, Germany