Marios Loukas, MD, PhD, Chair and Professor of Anatomy, St George’s University, Grenada, W.I, Brion Benninger, MD, MSc, Professor of Anatomy and Vice Chair, Department of Clinical and Anatomical Sciences, Western University of Health Sciences, Portland, Oregon; Faculty Member, Departments of Surgery, Orthopaedics and Rehabilitation, Oral Maxillofacial Surgery and Integrative Biosciences, School of Medicine, Dentistry and Physician Assistants, Oregon Health and Science University, Portland, Oregon; Member, Samaritan Orthopaedic Residency Faculty, Newport, Oregon, USA. and R. Shane Tubbs, Professor and Program Director, Tulane University School of Medicine, New Orleans, Louisiana and Department of Neurosurgery and Ochsner Neuroscience Institute Ochsner Health System, New Orleans, LA