Patrick Emanuel, MB, ChB, FRCPA (Lima, Peru) is Anatomic Pathologist and Dermatopathologist, Clinica Ricardo Palma, in Lima, Peru; Visiting Consultant, Skin Institute, in Auckland, New Zealand; Consultant Dermatopathologist at Pathlab in Tauranga, New Zealand; Honorary Associate Professor, Department of Pathology and Molecular Medicine, at the University of Auckland (Waipapa Taumata Rau), New Zealand; Adjunct Assistant Professor, Department of Dermatology, Mount Sinai Hospital, New York City; and Consultant, Molecular Pathologist at IGENZ laboratory in Auckland, New Zealand.

Mark Izzard, MbBs, FRACS, (Auckland, New Zealand) is Otolaryngologist, Head and Neck Surgeon, Director, Micro-Vascular Reconstructive Surgeon Auckland Head and Neck Specialists Director, Skin Institute, New Zealand; Senior Lecturer, ORL Head and Neck Surgery University of Auckland (Waipapa Taumata Rau), New Zealand.