1Oral Biology, 5th Floor, School of Dental Sciences, Dental School, Framlington Place, Newcastle upon Tyne, NE2 4BW, UK
2Department of Anatomy, Histology and Embryology, Division for Clinical Functional Anatomy, Innsbruck Medical University, Müllerstrasse 59, A-6020 Innsbruck, Austria
3Department of Anatomy and Embryology, Faculty of Medicine, C Davila University, Bucharest, Romania
4Department of Anatomy and Embryology, University of Maastricht, PO Box 616, Maastricht, 6200 MD, The Netherlands
5Dipartimento di Scienze Anatomiche Umane, Facoltà di Medicina e Chirurgia, Università di Bologna, via Irnerio, 48, 40126 Bologna, Italy
6Departamento de Deontologica, Bioética e Direito Médico, Faculdade de Ciêncies Médicas da Universidade Nova de Lisboa, Campo dos Mártires da Pátria, 130 1169-056 Lisboa, Portugal
7Department of Anatomy and Cell Biology, Martin-Luther-University, Halle-Wittenberg Große Steinstraase, 52, 06097 Halle (Saale)/Germany
9Département de Biologie Cellulaire de Morphologie, Université Lausanne, rue du Bugnon, 1005 Lausanne, Suisse
10Departamento de Anatomía y Embriología Humana I, Facultad de Medicina, Universidad Complutense, Ciudad Universitaria s/n, 28040-Madrid, Spain
11Departamento de Neurociencias, Facultad de Medicina y Odontología, Universidad del País Vasco, 46040 Leioa, Spain
12Unit of Anatomy, Department of Medicine, University of Fribourg, route Albert Gockel 1, CH-1700 Fribourg, Switzerland
13Institute of Anatomy, School of Medicine at University of Belgrade, Dr. Subotica 8, 11000 Belgrade, Serbia
14School of Biosciences, Cardiff University, Cardiff CF10 3AP, UK