1. Department of Anatomy; Medical University of Vienna; Centre for Anatomy and Cell Biology; Vienna Austria
2. Department of Radiology; Hospital Kaiser-Franz-Josef; Vienna Hospital Association; Vienna Austria
3. Division of Plastic and Reconstructive Surgery; Department of Surgery; Medical University of Vienna; Vienna Austria
4. Division of Plastic Reconstructive Microsurgery; Department of Plastic and Reconstructive Surgery; Chang Gung Memorial University Hospital Taipei; Taipei Taiwan