1. Division of Hand, Plastic and Aesthetic Surgery, University Hospital , LMU Munich , Germany
2. oculoplastic surgeon in private practice in Genova , Italy
3. Department of Radiology and Medical School, University of Belgrade , Belgrade , Serbia
4. Department of Plastic and Reconstructive Surgery, Mayo Clinic , Rochester, MN , USA
5. plastic surgeon in private practice in New York , NY , USA
6. Department of Clinical Anatomy, Mayo Clinic College of Medicine and Science , Rochester, MN , USA